Internal reference 20

Internal reference 20, Total:479 items.

The international standard classification for "Internal reference 20" includes: .

The Chinese standard classification for "Internal reference 20" includes: .

International Organization for Standardization (ISO)

ISO/IEC 14496-5:2001/Amd 20:2009 Amendment 20 - Information technology -- Coding of audio-visual objects -- Part 5: Reference software - MPEG-1 and -2 on MPEG-4 reference software and BSAC extensions
ISO 16000-20:2014 Indoor air - Part 20: Detection and enumeration of moulds - Determination of total spore count
ISO/IEC 20071-20:2025 Information technology — User interface component accessibility — Part 20: Developing audiovisual content
ISO/IEC 29341-20-12:2017 Information technology — UPnP Device Architecture — Part 20-12: Audio video device control protocol — Level 4 — Content directory service
ISO 128-20:1996 Technical drawings - General principles of presentation - Part 20: Basic conventions for lines
ISO 3262-20 Extenders for paints - Specifications and methods of test - Part 20: Fumed silica
ISO/FDIS 4254-20 Agricultural machinery — Safety — Part 20: Grape, olives and coffee harvesters

German Institute for Standardization

DIN ISO 16000-20:2015 Indoor air - Part 20: Detection and enumeration of moulds - Determination of total spore count (ISO 16000-20:2014)
DIN EN 16603-20-20:2016 Space engineering - Interface requirements for electrical power; English version prEN 16603-20-20:2016
DIN EN 60794-2-20:2014 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables (IEC 60794-2-20:2013); German version EN 60794-2-20:2014
DIN EN 16603-20-20:2019 Space engineering - Electrical design and interface requirements for power supply; English version EN 16603-20-20:2018
DIN EN 60794-2-20:2010 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical distribution cables (IEC 60794-2-20:2008); German version EN 60794-2-20:2010
DIN ISO 16000-20 E:2014 Draft Document - Indoor air - Part 20: Detection and enumeration of moulds - Determination of total spore count (ISO/DIS 16000-20:2014)
DIN EN 60794-2-20:2003 Optical fibre cables - Part 2-20: Indoor cables; Family specification for multi-fibre optical distribution cables (IEC 60794-2-20:2003); German version EN 60794-2-20:2003
DIN EN 60794-2-20:2010-08 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical distribution cables (IEC 60794-2-20:2008); German version EN 60794-2-20:2010
DIN EN 1254-20:2021 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information; German version EN 1254-20:2021
DIN EN 60794-2-20:2003-09 Optical fibre cables - Part 2-20: Indoor cables; Family specification for multi-fibre optical distribution cables (IEC 60794-2-20:2003); German version EN 60794-2-20:2003
DIN EN IEC 60794-6-20:2022 Optical fibre cables - Part 6-20: Indoor-outdoor cables - Family specification for flame retardant outdoor cables (IEC 60794-6-20:2020); German version EN IEC 60794-6-20:2020
DIN EN 60794-2-20:2014-09 Optical fiber cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables (IEC 60794-2-20:2013); German version EN 60794-2-20:2014
DIN 38409-20:1989 German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of substances that react with disulfine blue (H 20)
DIN EN IEC 60794-2-20:2025-09 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables (IEC 60794-2-20:2024); German version EN IEC 60794-2-20:2025
DIN EN IEC 60794-6-20:2022-07 Optical fibre cables - Part 6-20: Indoor-outdoor cables - Family specification for flame retardant outdoor cables (IEC 60794-6-20:2020); German version EN IEC 60794-6-20:2020
DIN EN 62047-20:2015 Semiconductor devices - Micro-electromechanical devices - Part 20: Gyroscopes (IEC 62047-20:2014); German version EN 62047-20:2014
DIN EN 62326-20:2016 Printed boards - Part 20: Printed circuit boards for high-brightness LEDs (IEC 62326-20:2016); German version EN 62326-20:2016
DIN EN ISO 9241-20 E:2021 Draft Document - Ergonomics of human-system interaction - Part 20: An ergonomic approach to accessibility within the ISO 9241 series (ISO/DIS 9241-20:2021); German and English version prEN ISO 9241-20:2021
DIN ISO 16000-20:2015-11 Indoor air - Part 20: Detection and enumeration of moulds - Determination of total spore count (ISO 16000-20:2014)
DIN EN 1254-20:2019 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information; German and English version prEN 1254-20:2019
DIN 40700-20:1968 DIN 40700 Signal symbols Page 20
DIN CWA 14050-20:2001 Extensions for Financial Services (XFS) interface specification - Release 3.0 - Part 20: Pin keypad device class interface; Migration from Version 2.0 (see CWA 13449) to Version 3.0 (this CWA); Programmer's reference (English Version CWA 14050-20:...
DIN EN 61158-5-20:2015 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements (IEC 61158-5-20:2014); English version EN 61158-5-20:2014, only on CD-ROM
DIN EN 60317-20:2014 Specifications for particular types of winding wires - Part 20: Solderable polyurethane enamelled round copper wire, class 155 (IEC 60317-20:2013); German version EN 60317-20:2014
DIN EN 61754-20:2003 Fibre optic connector interfaces - Part 20: Type LC connector family (IEC 61754-20:2002); German version EN 61754-20:2002
DIN 72311-20:1989 German Standard DIN 72311 Part 20
DIN EN 60598-2-20:2015 Luminaires - Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:2014); German version EN 60598-2-20:2015
DIN EN 60598-2-20:2017-04*VDE 0711-2-20 Berichtigung 1:2017-04 Corrigendum to DIN EN 60598-2-20 (VDE 0711-2-20):2015-10, (IEC 60598-2-20:2014/COR1:2016); German version EN 60598-2-20:2015/AC:2017
DIN EN 61158-5-20:2013 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements (IEC 61158-5-20:2010); English version EN 61158-5-20:2012, only on CD-ROM
DIN EN 61158-3-20:2015 Industrial communication networks - Fieldbus specifications - Part 3-20: Data-link layer service definition - Type 20 elements (IEC 61158-3-20:2014); English version EN 61158-3-20:2014, only on CD-ROM
DIN EN 1254-20 E:2019-07 Draft Document - Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information; German and English version prEN 1254-20:2019
DIN EN 60598-2-20:2011 Luminaires - Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:2010, modified); German version EN 60598-2-20:2010 + Cor.:2010
DIN EN 60598-2-20 Berichtigung 1:2017 Luminaires - Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:2014); German version EN 60598-2-20:2015, Corrigendum to DIN EN 60598-2-20 (VDE 0711-2-20):2015-10, (IEC 60598-2-20:2014/COR1:2016); German version EN 60598-2-20:2015/AC:201
DIN ISO 16000-20 E:2014-04 Indoor air - Part 20: Detection and enumeration of moulds - Determination of total spore count
DIN EN ISO 3262-20:2021 Extenders - Specifications and methods of test - Part 20: Fumed silica (ISO 3262-20:2021); German version EN ISO 3262-20:2021
DIN EN 61000-4-20:2012-09*VDE 0847-4-20 Berichtigung 1:2012-09 Corrigendum to DIN EN 61000-4-20 (VDE 0847-4-20):2011-07
DIN EN 61158-6-20:2008 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements (IEC 61158-6-20:2007); English version EN 61158-6-20:2008, only on CD-ROM
DIN EN 60793-1-20:2017 Optical fibres - Part 1-20: Measurement methods and test procedures - Fibre geometry (IEC 60793-1-20:2014); German version EN 60793-1-20:2014
DIN EN 61158-4-20:2015 Industrial communication networks - Fieldbus specifications - Part 4-20: Data-link layer protocol specification - Type 20 elements (IEC 61158-4-20:2014); English version EN 61158-4-20:2014, only on CD-ROM
DIN EN 61754-20:2013 Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 20: Type LC connector family (IEC 61754-20:2012); German version EN 61754-20:2012
DIN IEC/TS 60076-20:2019 Power transformers - Part 20: Energy efficiency (IEC TS 60076-20:2017 + COR1:2018)
DIN EN 60317-20:2020 Specifications for particular types of winding wires - Part 20: Solderable polyurethane enamelled round copper wire, class 155 (IEC 60317-20:2013 + A1:2019); German version EN 60317-20:2014 + A1:2019
DIN IEC /TS 60076-20:2019 Power transformers - Part 20: Energy efficiency (IEC TS 60076-20:2017 + COR1:2018)
DIN EN 13108-20:2016 Bituminous mixtures - Material specifications - Part 20: Type Testing; German version EN 13108-20:2016
DIN EN 60793-2-20:2016 Optical fibres - Part 2-20: Product specifications - Sectional specification for category A2 multimode fibres (IEC 60793-2-20:2015); German version EN 60793-2-20:2016
DIN EN 60793-1-20:2002 Optical fibres - Part 1-20: Measurement methods and test procedures; Fibre geometry (IEC 60793-1-20:2001); German version EN 60793-1-20:2002
DIN EN 61158-5-20:2008 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements (IEC 61158-5-20:2007); English version EN 61158-5-20:2008, only on CD-ROM
DIN EN ISO 16610-20:2015 Geometrical product specifications (GPS) - Filtration - Part 20: Linear profile filters: Basic concepts (ISO 16610-20:2015); German version EN ISO 16610-20:2015
DIN EN 61158-6-20:2015 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements (IEC 61158-6-20:2014); English version EN 61158-6-20:2014, only on CD-ROM
DIN EN 61158-6-20:2013 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements (IEC 61158-6-20:2010); English version EN 61158-6-20:2012, only on CD-ROM
DIN EN 1254-20 E:2019 Draft Document - Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information; German and English version prEN 1254-20:2019
DIN EN ISO 128-20:2002 Technical drawings - General principles of presentation - Part 20: Basic conventions for lines (ISO 128-20:1996); German version EN ISO 128-20:2001
DIN EN 60794-1-20:2014 Optical fibre cables - Part 1-20: Generic specification - Basic optical cable test procedures - General and definitions (IEC 60794-1-20:2014); German version EN 60794-1-20:2014
DIN EN 1254-20:2021-10 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information; German version EN 1254-20:2021
DIN EN 60695-1-20:2017 Fire hazard testing - Part 1-20: Guidance for assessing the fire hazard of electrotechnical products - Ignitability - General guidance (IEC 60695-1-20:2016); German version EN 60695-1-20:2016
DIN EN 60695-11-20:2016 Fire hazard testing - Part 11-20: Test flames - 500 W flame test methods (IEC 60695-11-20:2015 + COR1:2016); German version EN 60695-11-20:2015 + AC:2016
DIN EN 12312-20:2005 Aircraft ground support equipment - Specific requirements - Part 20: Electrical ground power units; German version EN 12312-20:2005
DIN EN 61754-20:2003-05 Fibre optic connector interfaces - Part 20: Type LC connector family (IEC 61754-20:2002); German version EN 61754-20:2002
DIN EN 16603-20-08:2014 Space engineering - Part 20-08: Photovoltaic assemblies and components; English version EN 16603-20-08:2014
DIN EN 60598-2-20:2015-10 Luminaires - Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:2014); German version EN 60598-2-20:2015
DIN EN 60794-3-20:2017 Optical fibre cables - Part 3-20: Outdoor cables - Family specification for self-supporting aerial telecommunication cables (IEC 60794-3-20:2016); German version EN 60794-3-20:2016
DIN EN 1254-20:2025-04 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information; German version EN 1254-20:2021+A1:2025
DIN EN 60794-3-20:2009 Optical fibre cables - Part 3-20: Outdoor cables - Family specification for self-supporting aerial telecommunication cables (IEC 60794-3-20:2009); German version EN 60794-3-20:2009
DIN EN 60384-20:2016 Fixed capacitors for use in electronic equipment - Part 20: Sectional specification - Fixed metallized polyphenylene sulfide film dielectric surface mount d.c. capacitors (IEC 60384-20:2015); German version EN 60384-20:2015
DIN EN 61000-4-20 Berichtigung 1:2012 Electromagnetic compatibility (EMC) - Part 4-20: Testing and measurement techniques - Emission and immunity testing in transverse electromagnetic (TEM) waveguides (IEC 61000-4-20:2010); German version EN 61000-4-20:2010, Corrigendum to DIN EN 61000-4-20 (
DIN EN IEC 61784-5-20:2019 Industrial communication networks - Profiles - Part 5-20: Installation of fieldbuses - Installation profiles for CPF 20 (IEC 61784-5-20:2018); German version EN IEC 61784-5-20:2018
DIN EN 60793-2-20:2002 Optical fibres - Part 2-20: Product specifications; Sectional specification for category A2 multimode fibres (IEC 60793-2-20:2001); German version EN 60793-2-20:2002
DIN EN 60794-2-20 E:2012 Draft Document - Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical distribution cables (IEC 86A/1439/CD:2012)
DIN EN 62047-20:2015-04 Semiconductor devices - Micro-electromechanical devices - Part 20: Gyroscopes (IEC 62047-20:2014); German version EN 62047-20:2014
DIN EN 60079-20-1:2010 Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data (IEC 60079-20-1:2010); German version EN 60079-20-1:2010
DIN EN 60317-20:2020-09 Specifications for particular types of winding wires - Part 20: Solderable polyurethane enamelled round copper wire, class 155 (IEC 60317-20:2013 + A1:2019); German version EN 60317-20:2014 + A1:2019
DIN EN 60317-20:2014-10 Specifications for particular types of winding wires - Part 20: Solderable polyurethane enamelled round copper wire, class 155 (IEC 60317-20:2013); German version EN 60317-20:2014
DIN EN 1254-20:2019-07 Draft Document - Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information; German and English version prEN 1254-20:2019
DIN EN 60749-20:2010 Semiconductor devices - Mechanical and climatic test methods - Part 20: Resistance of plastic encapsulated SMDs to the combined effect of moisture and soldering heat (IEC 60749-20:2008); German version EN 60749-20:2009
DIN EN 61158-5-20:2013-01 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements (IEC 61158-5-20:2010); English version EN 61158-5-20:2012, only on CD-ROM
DIN EN 60794-4-20:2013 Optical fibre cables - Part 4-20: Aerial optical cables along electrical power lines - Family specification for ADSS (All Dielectric Self Supported) optical cables (IEC 60794-4-20:2012); German version EN 60794-4-20:2012
DIN EN 60512-20-1:2010 Connectors for electronic equipment - Tests and measurements - Part 20-1: Fire hazard tests - Test 20a: Flammability, needle-flame (IEC 60512-20-1:2010); German version EN 60512-20-1:2010
DIN EN 61000-4-20:2011 Electromagnetic compatibility (EMC) - Part 4-20: Testing and measurement techniques - Emission and immunity testing in transverse electromagnetic (TEM) waveguides (IEC 61000-4-20:2010); German version EN 61000-4-20:2010
DIN 38414-20:1996 German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 20: Determination of 6 polychlorinated biphenyls (PCB) (S 20)
DIN EN IEC 60794-2-20 E:2023 Draft Document - Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables (IEC 86A/2310/CDV:2023); German and English version prEN IEC 60794-2-20:2023
DIN EN 61158-5-20:2015-09 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements (IEC 61158-5-20:2014); English version EN 61158-5-20:2014, only on CD-ROM / Note: CD-ROM*DIN EN 61158-5-20 (2013-01) remain...
DIN EN 60793-2-20:2010-01 Optical fibres - Part 2-20: Product specifications - Sectional specification for category A2 multimode fibres (IEC 60793-2-20:2007); German version EN 60793-2-20:2009
DIN EN 60793-2-20:2016-10 Optical fibers - Part 2-20: Product specifications - Sectional specification for category A2 multimode fibers (IEC 60793-2-20:2015); German version EN 60793-2-20:2016
DIN EN 60601-2-20:2010 Medical electrical equipment - Part 2-20: Particular requirements for basic safety and essential performance of infant transport incubators (IEC 60601-2-20:2009); German version EN 60601-2-20:2009
DIN EN 60512-20-3:2010 Connectors for electronic equipment - Tests and measurements - Part 20-3: Fire hazard tests - Test 20c: Flammability, glow-wire (IEC 60512-20-3:2010); German version EN 60512-20-3:2010
DIN 14520-20:1995 Fire fighting vehicle part 20: TLF 16/25 water tank foam fire fighting vehicle
DIN EN 60745-2-20:2004 Hand-held motor-operated electric tools - Safety - Part 2-20: Particular requirements for band saws (IEC 60745-2-20:2003, modified); German version EN 60745-2-20:2003
DIN EN 61754-20:2013-07 Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 20: Type LC connector family (IEC 61754-20:2012); German version EN 61754-20:2012
DIN EN 60793-1-20:2017-02 Optical fibres - Part 1-20: Measurement methods and test procedures - Fibre geometry (IEC 60793-1-20:2014); German version EN 60793-1-20:2014
DIN EN ISO 1833-20:2011 Textiles - Quantitative chemical analysis - Part 20: Mixtures of elastane and certain other fibres (method using dimethylacetamide) (ISO 1833-20:2009); German version EN ISO 1833-20:2010
DIN EN 50290-2-20:2017 Communication cables - Part 2-20: Common design rules and construction - General; German version EN 50290-2-20:2016
DIN EN 61158-6-20:2013-03 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements (IEC 61158-6-20:2010); English version EN 61158-6-20:2012, only on CD-ROM
DIN 38409-20:1989-07 German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of substances that react with disulfine blue (H 20)
DIN 18873-20:2016 Methods for measuring the energy consumption of commercial kitchen appliances - Part 20: Crepe and Poffertjes-Baker
DIN ISO 9022-20:2015 Optics and photonics - Environmental test methods - Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide (ISO 9022-20:2015)
DIN EN ISO 9241-20:2009 Ergonomics of human-system interaction - Part 20: Accessibility guidelines for information/communication technology (ICT) equipment and services (ISO 9241-20:2008); English version of DIN EN ISO 9241-20:2009-08
DIN EN 60793-1-20:2002-10 Optical fibres - Part 1-20: Measurement methods and test procedures; Fibre geometry (IEC 60793-1-20:2001); German version EN 60793-1-20:2002
DIN EN 60598-2-20:2011-01 Luminaires - Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:2010, modified); German version EN 60598-2-20:2010 + Cor.:2010
DIN IEC /TS 60076-20:2019-12 Power transformers - Part 20: Energy efficiency (IEC TS 60076-20:2017 + COR1:2018)
DIN EN 61754-20:2023 Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 20: Type LC connector family (IEC 61754-20:2012 + AMD1:2022); German version EN 61754-20:2012 + A1:2022
DIN EN 60745-2-20:2004-05 Hand-held motor-operated electric tools - Safety - Part 2-20: Particular requirements for band saws (IEC 60745-2-20:2003, modified); German version EN 60745-2-20:2003
DIN EN 50290-2-20:2002 Communication cables - Part 2-20: Common design rules and construction; General; German version EN 50290-2-20:2001
DIN EN ISO 3262-20 E:2020 Draft Document - Extenders - Specifications and methods of test - Part 20: Fumed silica (ISO/DIS 3262-20:2020); German and English version prEN ISO 3262-20:2020
DIN EN 60793-2-20:2002-11 Optical fibres - Part 2-20: Product specifications; Sectional specification for category A2 multimode fibres (IEC 60793-2-20:2001); German version EN 60793-2-20:2002
DIN EN 60598-2-20:2004 Luminaires - Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:1996, modified + A1:1998, modified + A2:2002, modified); German version EN 60598-2-20:1997 + A1:1998 + Corrigendum December 1998 + A2:2004
DIN EN 61158-6-20:2008-09 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements (IEC 61158-6-20:2007); English version EN 61158-6-20:2008, only on CD-ROM
DIN EN 61158-5-20:2008-09 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements (IEC 61158-5-20:2007); English version EN 61158-5-20:2008, only on CD-ROM
DIN IEC 60794-2-20 E:2007 Draft Document - Optical fibre cables - Part 2-20: Indoor optical fibre cables - Family specification for multi-fibre optical distribution cables (IEC 86A/1145/CD:2007)
DIN EN 13108-20:2006 Bituminous mixtures - Material specifications - Part 20: Type Testing; English version of DIN EN 13108-20:2006-07
DIN EN ISO 3262-20:2000-10 Extenders for paints - Specifications and methods of test - Part 20: Fumed silica (ISO 3262-20:2000); English version of DIN EN ISO 3262-20
DIN EN 61558-2-20:2011 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors (IEC 61558-2-20:2010); German version EN 61558-2-20:2011
DIN 81208-20 E:2009 Draft Document - Manoeuvring of ships - Part 20: Rotating arm test
DIN EN 60794-5-20:2015 Optical fibre cables - Part 5-20: Family specification - Outdoor microduct fibre units, microducts and protected microducts for installation by blowing (IEC 60794-5-20:2014); German version EN 60794-5-20:2014
DIN EN IEC 60794-6-20:2020-03 Draft Document - Optical Fibre Cables - Part 6-20: Indoor-Outdoor cables - Family specification for Flame Retardant Outdoor cables (IEC 86A/1921/CD:2019); Text in German and English
DIN EN 60794-2-20 E:2012-04 Draft Document - Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical distribution cables (IEC 86A/1439/CD:2012)
DIN EN 13108-20 Berichtigung 1:2009 Bituminous mixtures - Material specifications - Part 20: Type Testing; German version EN 13108-20:2006, Corrigendum to DIN EN 13108-20:2006-07; German version EN 13108-20:2006/AC:2008
DIN EN 81-20:2014 Safety rules for the construction and installation of lifts - Lifts for the transport of persons and goods - Part 20: Passenger and goods passenger lifts; German version EN 81-20:2014
DIN 81208-20:2010 Manoeuvring of ships - Part 20: Rotating arm test; Text in German and English
DIN EN ISO 10545-20:2022 Ceramic tiles - Part 20: Determination of deflection of ceramic tiles for calculating their radius of curvature (ISO 10545-20:2022)

International Electrotechnical Commission (IEC)

IEC 63145-20-20:2019 Eyewear display — Part 20-20: Fundamental measurement methods — Image quality
IEC 60794-2-20:2003 Optical fibre cables - Part 2-20: Indoor cables; Family specification for multi-fibre optical distribution cables
IEC 60794-2-20:2013 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
IEC 60794-6-20:2020 Optical fibre cables - Part 6-20: Indoor-outdoor cables - Family specification for flame retardant outdoor cables
IEC 60794-2-20:2024 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
IEC 60794-2-20:2008 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical distribution cables
IEC 60794-2-20:2024 RLV Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
IEC 60169-20:1985 Radio-frequency connectors. Part 20 : R.F. coaxial connectors with inner diameter of outer conductor 2.08 mm (0.082 in) with screw coupling - Characteristic impedance 50 ohms (Type SSMC)
TS 60076-20-2017 Power transformers - Part 20: Energy efficiency (Edition 1.0)
IEC 61158-5-20:2010 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements
IEC 61158-5-20:2007 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements
IEC 61158-5-20:2014 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements
IEC 61158-6-20:2014 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements
IEC 61158-6-20:2010 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements
IEC 61158-6-20:2007 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements
IEC 60748-20-1:1994 Semiconductor devices; integrated circuits; part 20: generic specification for film integrated circuits and hybrid film integrated circuits; section 1: requirements for internal visual examination
IEC 61158-4-20:2014 Industrial communication networks - Fieldbus specifications - Part 4-20: Data-link layer protocol specification - Type 20 elements
IEC 61158-3-20:2014 Industrial communication networks - Fieldbus specifications - Part 3-20: Data link layer service definition - Type 20 elements
IEC TR 60255-20:1984 Electrical relays. Part 20 : Protection (protective) systems.
IEC TS 60076-20:2017 Power transformers - Part 20: Energy efficiency
IEC 60598-2-20:2002 Luminaires -Part 2-20:Particular requirements -Lighting chains
IEC 62047-20:2014 Semiconductor devices - Micro-electromechanical devices - Part 20: Gyroscopes
IEC 61784-2-20:2023 Industrial networks - Profiles - Part 2-20: Additional real-time fieldbus profiles based on ISO/IEC/IEEE 8802-3 - CPF 20
IEC 60598-2-20:2010 Luminaires - Part 2-20: Particular requirements - Lighting chains
IEC 60598-2-20:2014 Luminaires - Part 2-20: Particular requirements - Lighting chains
IEC 63522-20:2025 Electrical relays - Tests and measurements - Part 20: Mechanical endurance
IEC PAS 61754-20:2001 Fibre optic connector interfaces - Part 20: Type LC connector family
IEC 61869-20:2025 Instrument transformers - Part 20: Safety requirements of instrument transformers for high voltage applications
IEC 60598-2-20:2022 Luminaires - Part 2-20: Particular requirements - Lighting chains
IEC 60050-20:1958 International Electrotechnical Vocabulary (IEV) - Part 20: Scientific and industrial measuring instruments
IEC 62326-20:2016 Printed boards - Part 20: Printed circuit boards for high-brightness LEDs
IEC 60255-0-20:1974 Contact performance of electrical relays. Part 0-20 : Electrical relays. Contact performance of electrical relays
IEC 60068-2-20:1979 Environmental testing. Part 2: Tests. Test T: Soldering

Magyar Szabványügyi Testület

MSZ 20 161-1983 MSZ 20 161-83 Basic principles for calculation of parameter accuracy in the construction industry
MSZ 19351/20.lap-1962 Filter, sz No. 20

Standard Association of Australia （SAA）

AS ARP 20:1941 No Title Available.

Lithuanian Standards Office

LST EN 60794-2-20-2010 Optical fibre cables -- Part 2-20: Indoor cables - Family specification for multi-fibre optical distribution cables (IEC 60794-2-20:2008)
LST EN IEC 60794-6-20:2021 Optical fibre cables - Part 6-20: Indoor-outdoor cables - Family specification for flame retardant outdoor cables (IEC 60794-6-20:2020)
LST EN 1254-20-2021 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
LST EN 60598-2-20-2015 Luminaires - Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:2014)
LST EN 61158-5-20-2012 Industrial communication networks - Fieldbus specifications -- Part 5-20: Application layer service definition - Type 20 elements (IEC 61158-5-20:2010)
LST EN 61158-6-20-2012 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements (IEC 61158-6-20:2010)
LST EN 60598-2-20-2010 Luminaires -- Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:2010, modified)
LST EN 60317-20+A1-1998 Specifications for particular types of winding wires. Part 20: Solderable polyurethane enamelled round copper wire, class 155 (IEC 60317-20:1990+IEC 60317-20:1990/A1:1997)
LST EN ISO 3262-20:2002 Extenders for paints - Specifications and methods of test - Part 20: Fumed silica (ISO 3262-20:2000)
LST EN 60794-1-20-2014 Optical fibre cables - Part 1-20: Generic specification - Basic optical cable test procedures - General and definitions (IEC 60794-1-20:2014)
LST EN ISO 128-20:2002 Technical drawings - General principles of presentation - Part 20: Basic conventions for lines (ISO 128-20:1996)
LST EN 60793-1-20-2003 Optical fibres. Part 1-20: Measurement methods and test procedures. Fibre geometry (IEC 60793-1-20:2001)
LST EN 60793-1-20-2015 Optical fibres - Part 1-20: Measurement methods and test procedures - Fibre geometry (IEC 60793-1-20:2014)
LST EN ISO 3262-20:2021 Extenders - Specifications and methods of test - Part 20: Fumed silica (ISO 3262-20:2021)
LST EN 60793-2-20-2009 Optical fibres - Part 2-20: Product specifications - Sectional specification for category A2 multimode fibres (IEC 60793-2-20:2007)
LST EN 61754-20-2012 Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces -- Part 20: Type LC connector family (IEC 61754-20:2012)
LST EN 60695-11-20-2000 Fire hazard testing. Part 11-20: Test flames. 500 W flame test methods (IEC 60695-11-20:1999)
LST EN 60794-3-20-2009 Optical fibre cables - Part 3-20: Outdoor cables - Family specification for self-supporting aerial telecommunication cables (IEC 60794-3-20:2009)
LST EN 60745-2-20-2009 Hand-held motor-operated electric tools - Safety -- Part 2-20: Particular requirements for band saws (IEC 60745-2-20:2003, modified + A1:2008)
LST ISO 5667-20:2011 Water quality - Sampling - Part 20: Guidance on the use of sampling data for decision making - Compliance with thresholds and classification systems (ISO 5667-20:2008, identical)
LST EN 13108-20-2006 Bituminous mixtures - Material specifications - Part 20: Type Testing
LST EN 60598-2-20-2010/AC-2010 Luminaires -- Part 2-20: Particular requirements - Lighting chains (IEC 60598-2-20:2010, modified)
LST EN 60749-20-2010 Semiconductor devices - Mechanical and climatic test methods - Part 20: Resistance of plastic encapsulated SMDs to the combined effect of moisture and soldering heat (IEC 60749-20:2008)

British Standards Institution (BSI)

20/30409798 DC BS EN IEC 60598-2-20. Luminaires. Part 2-20. Particular requirements. Lighting chains
20/30405414 DC BS EN ISO 3262-20. Extenders. Specifications and methods of test. Part 20. Fumed silica
20/30403352 DC BS EN IEC 63145-22-20. Eyewear display. Part 22-20. Measurement methods for AR type. Image quality
20/30425220 DC BS EN IEC 63145-21-20. Eyewear display. Part 21-20. Specific measuring methods for VR image quality. Screen Door Effect
20/30408447 DC BS EN 16603-20. Space engineering. Electrical and electronic
20/30403973 DC BS EN 60404-6 AMD1. Magnetic materials. Part 6 Methods of measurement of the magnetic properties of magnetically soft metallic and powder materials at frequencies in the range 20 Hz to 100 kHz by the use of ring specimens
20/30375215 DC BS EN 60958-1. Digital audio interface. Part 1. General (TA 20)
20/30375207 DC BS EN 60958-3. Digital audio interface. Part 3. Consumer applications (TA 20)
20/30406468 DC BS ISO 8600-8. Endoscopes. Medical endoscopes and endotherapy devices. Part 8. Particular requirements for capsule endoscopes
BS 6221-20:1984 Printed wiring boards - Guide for the assembly of printed wiring boards
20/30349145 DC BS ISO 8600-5. Optics and photonics. Medical endoscopes and endotherapy devices. Part 5. Determination of optical resolution of rigid endoscopes with optics
20/30393756 DC BS ISO 23959. Traditional Chinese Medicine. Glehnia littoralis root
20/30371690 DC BS EN ISO 19148. Geographic information. Linear referencing
20/30424966 DC BS EN 3662-001. Aerospace series. Circuit breakers, three-pole, temperature compensated, rated currents 20 A to 50 A. Part 001. Technical specification
PD IEC/TS 60076-20:2017 Power transformers Part 20: Energy efficiency
20/30380661 DC BS EN ISO 23450. Dentistry. Intraoral camera
BS 5502-20:1990 Buildings and structures for agriculture - Code of practice for general design considerations
PAS 62326-20-2011 Printed boards – Part 20: Electronic circuit board for high-brightness LEDs (Edition 1.0)
20/30424464 DC BS EN 2665-001. Aerospace series. Circuit breakers, three-pole, temperature compensated, rated currents 20 A to 50 A - Part 001. Technical specification
20/30409176 DC BS IEC 61937-2. Digital audio. Interface for non-linear PCM encoded audio bitstreams applying IEC 60958. Part 2. Burst-info (TA 20)
PAS 61754-20-2001 Fibre Optic Connectors Interfaces - Part 20: Type LC Connector Family (Edition 1.0)
BS 6404-20:1996 Magnetic materials - Resistance and temperature classification of insulation coatings
BS 5711-20:1979 Methods of sampling and test for glycerol - Test for reducing substances
PD EN 14035-20-2005 Fireworks-Part 20:Jumping crackers-Specification and test methods
BS 3727-20:1966 Methods for the analysis of nickel for use in electronic tubes and valves - Spectrographic method
20/30424467 DC BS EN 2794-001. Aerospace series. Circuit breakers, single-pole, temperature compensated, rated currents 20 A to 50 A. Part 001. Technical specification
20/30424963 DC BS EN 3661-001. Aerospace series. Circuit breakers, single-pole, temperature compensated, rated currents 20 A to 50 A. Part 001. Technical specification

Korean Agency for Technology and Standards (KATS)

KS C IEC 63145-20-20-2023 Eyewear display — Part 20-20: Fundamental measurement methods — Image quality
KS C IEC 60794-2-20-2021 Optical fibre cables － Part 2 － 20: Indoor cables － Family specification for multi-fibre optical distribution cables
KS C IEC 60794-2-20-2006(2016) Optical fibre cables － Part 2 － 20: Indoor cables － Family specification for multi-fibre optical distribution cables
KS C IEC 60794-2-20:2006 Optical fibre cables － Part 2 － 20: Indoor cables － Family specification for multi-fibre optical distribution cables
KS C IEC 60794-2-20-2006(2021) Optical fibre cables － Part 2 － 20: Indoor cables － Family specification for multi-fibre optical distribution cables
KS X 0001-20-2021 Information technology－Vocabulary－Part 20 : System development
KS X 0001-20-2001 Information technology－Vocabulary－Part 20 : System development

Danish Standards Foundation

DANSK DS/IEC 63145-20-20:2019 Eyewear display – Part 20-20: Fundamental measurement methods – Image quality
DANSK DS/EN 60794-2-20:2014 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
DS/EN 60794-2-20:2010 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical distribution cables
DS/EN IEC 60794-6-20:2020 Optical fibre cables – Part 6-20: Indoor-outdoor cables – Family specification for flame retardant outdoor cables
DS/EN 1254-20:2021 Copper and copper alloys – Plumbing fittings – Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
DS/CWA 14050-20:2002 Extensions for Financial Services (XFS) interface specification - Release 3.0 - Part 20: Pin Keypad Device Class Interface - Migration from Version 2.0 (see CWA 13449) to Version 3.0 (this CWA) - Programmer´s Reference
DANSK DS/EN IEC 60794-6-20:2020 Optical fibre cables – Part 6-20: Indoor-outdoor cables – Family specification for flame retardant outdoor cables
DANSK DS/EN 1254-20:2021 Copper and copper alloys – Plumbing fittings – Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
DS/EN ISO 3262-20:2021 Extenders – Specifications and methods of test – Part 20: Fumed silica (ISO 3262-20:2021)
DS/EN 61158-6-20:2012 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements
DS/EN 61158-5-20:2012 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements
DANSK DS/EN ISO 3262-20:2021 Extenders – Specifications and methods of test – Part 20: Fumed silica (ISO 3262-20:2021)
DS/EN 60598-2-20:2010 Luminaires - Part 2-20: Particular requirements - Lighting chains

Swedish Institute for Standards

SS-ISO 16000-20:2015 Indoor air - Part 20: Detection and enumeration of moulds - Determination of total spore count (ISO 16000-20:2014, IDT)
SIS 14 01 20-1969 Grey iron 01 20
SS-EN 60794-2-20:2014 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
SIS 14 70 20-1974 Zinc alloy 70 20
SIS 14 20 32-1965 Reinforcing steel
SIS 14 41 20-1967 Aluminium 41 20
SIS 14 20 90-1970 Spring steel
SS-EN 1254-20:2021 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
SS-EN IEC 60794-6-20:2021 Optical fibre cables - Part 6-20: Indoor-outdoor cables - Family specification for flame retardant outdoor cables
SIS SS 14 80 20-1983 Powder metallurgy - Sintered steel
SS-ISO 20766-20:2019 Road vehicles - Liquefied petroleum gas (LPG) fuel systems components - Part 20: Filter unit (ISO 20766-20:2019, IDT)
SIS SS 14 41 20-1990 Wrought aluminium — SS-aluminium 41 20 — Al Mg2,5(AA5052)
SS-ISO 8102-20:2022 Electrical requirements for lifts, escalators and moving walks - Part 20: Cybersecurity (ISO 8102-20:2022, IDT)
SIS SS 21 36 20-1987 Steel strand 36 20 for prestressed concrete
SS-EN ISO 3262-20:2021 Extenders - Specifications and methods of test - Part 20: Fumed silica (ISO 3262-20:2021)
SS-EN ISO 16610-20:2015 Geometrical product specifications (GPS) - Filtration - Part 20: Linear profile filters: Basic concepts (ISO 16610-20:2015)
SIS SS 14 52 20-1989 Wrought copper alloy — SS-brass 52 20 - CuZn28Sn 1
SIS SS 21 36 20-1981 Reinforcing steel - Strand 36 20 - Dimensions and tolerances

Japanese Industrial Standards Committee (JISC)

JIS C 6870-2-20:2021 Optical fiber cables -- Part 2-20: Indoor cables -- Family specification for multi-fiber indoor optical distribution cables
JIS C 6870-2-20:2008 Optical fiber cables -- Part 2-20: Indoor cables -- Family specification for multi-fiber indoor optical distribution cables

Association Francaise de Normalisation

NF X43-404-20*NF ISO 16000-20:2015 Indoor air - Part 20 : detection and enumeration of moulds - Determination of total spore count
NF ISO 16000-20:2015 Indoor air - Part 20: mold detection and enumeration - Determination of total spore count
NF C93-850-2-20*NF EN IEC 60794-2-20:2025 Optical fibre cables - Part 2-20 : indoor cables - Family specification for multi-fibre optical cables
NF C93-850-6-20:2020 Optical fibre cables - Part 6-20 : indoor-outdoor cables - Family specification for flame retardant outdoor cables
NF C93-850-2-20*NF EN 60794-2-20:2015 Optical fibre cables - Part 2-20 : indoor cables - Family specification for multi-fibre optical distribution cables
NF E29-591-20*NF EN 1254-20:2021 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
CWA 14050-20:2000 Extensions for Financial Services (XFS) interface specification - Release 3.0 - Part 20 : Pin Keypad Device Class Interface - Migration from Version 2.0 (see CWA 13449) to Version 3.0 (this CWA) - Programmer's Reference
NF E29-591-20*NF EN 1254-20+A1:2025 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
NF EN 1254-20:2021 Copper and copper alloys - Fittings - Part 20: definitions, thread dimensions, test methods, reference data and additional information
NF EN 60794-2-20:2015 Optical fiber cables - Part 2-20: indoor cables - Family specification for multi-fiber optical distribution cables
NF C20-911-20:2000 Fire hazard testing - Part 11-20 : test flames - 500 W flame test methods.
NF EN IEC 60794-6-20:2020 Optical fiber cables - Part 6-20: indoor/outdoor cables - Family specification for flame-retardant outdoor cables
NF E29-591-20/IN1*NF EN 1254-20/IN1:2025 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
NF C93-850-2-20:2003 Optical fibre cables - Part 2-20 : indoor cables - Family specification for multi-fibre optical distribution cables.
NF C20-924-11-20*NF EN 60695-11-20:2015 Fire hazard testing - Part 11-20 : test flames - 500 W flame test method
NF C46-604-5-20*NF EN 61158-5-20:2014 Industrial communication networks - Fieldbus specifications - Part 5-20 : application layer service definition - Type 20 elements
NF C46-604-4-20*NF EN 61158-4-20:2014 Industrial communication networks - Fieldbus specifications - Part 4-20 : data-link layer protocol specification - Type 20 elements
NF C93-707-20*NF EN 62326-20:2016 Printed boards - Part 20 : printed circuit boards for high-brightness LEDs
NF C46-604-3-20*NF EN 61158-3-20:2015 Industrial communication networks - Fieldbus specifications - Part 3-20 : data-link layer service definition - Type 20 elements
NF P98-819-20*NF EN 13108-20:2017 Bituminous mixtures - Material specifications - Part 20 : type testing
NF C46-080-5-20*NF EN IEC 61784-5-20:2018 Industrial communication networks - Profiles - Part 5-20 : installation of fieldbuses - Installation profiles for CPF 20
NF C96-050-20*NF EN 62047-20:2014 Semiconductor devices - Micro-electromechanical devices - Part 20 : gyroscopes
NF C20-700-2-20:2013 Environmental testing - Part 2-20 : tests - Test T : test methods for solderability and resistance to soldering heat of devices with leads
NF EN 61158-5-20:2014 Industrial communications networks - Fieldbus specifications - Part 5-20: definition of application layer services - Type 20 elements
NF T37-001-20*NF EN 13523-20:2020 Coil coated metals - Test methods - Part 20 : foam adhesion
NF C71-000-2-20*NF EN 60598-2-20:2015 Luminaires - Part 2-20 : particular requirements - Lighting chains
NF C20-720/A1:1988 Supplement 1 to NF C 20-720-1987
NF C20-924-1-20*NF EN 60695-1-20:2016 Fire hazard testing - Part 1-20 : guidance for assessing the fire hazard of electrotechnical products - Ignitability - General guidance
NF EN 13108-20:2017 Bituminous mixtures - Specifications for materials - Part 20: formulation test
NF C46-080-2-20*NF EN IEC 61784-2-20:2023 Industrial networks - Profiles - Part 2-20: Additional real-time fieldbus profiles based on ISO/IEC/IEEE 8802-3 - CPF 20
NF EN 61158-3-20:2015 Industrial communications networks - Fieldbus specifications - Part 3-20: definition of data link layer services - Type 20 Elements
NF EN 61158-4-20:2014 Industrial communications networks - Fieldbus specifications - Part 4-20: Data link layer protocol specification - Type 20 elements
NF EN 62326-20:2016 Printed boards - Part 20: printed circuit boards for high brightness LEDs
NF C90-485-20*NF EN 50173-20:2022 Information technology - Generic cabling systems - Part 20 : alternative cabling configurations

South African Bureau of Standard

SANS 60794-2-20:2003 Optical fibre cables Part 2-20: Indoor cables — Family specification for multi-fibre optical distribution cables
SANS 60794-2-20:2009 Optical fibre cables Part 2-20: Indoor cables - Family specification for multi-fibre optical distribution cables
SANS 61754-20:2002 Fibre optic connector interfaces Part 20: Type LC connector family

Comitato Elettrotecnico Italiano

CEI EN 60794-2-20:2014 Optical fibre cables Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
CEI EN IEC 60794-6-20:2021 Optical fibre cables Part 6-20: Indoor-outdoor cables - Family specification for flame retardant outdoor cables
CEI EN IEC 60794-2-20:2025 Optical fiber cables – Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
CEI EN 61158-5-20:2016 Industrial communication networks - Fieldbus specifications Part 5-20: Application layer service definition - Type 20 elements
CEI EN 61158-3-20:2015 Industrial communication networks - Fieldbus specifications Part 3-20: Data-link layer service definition - Type 20 elements
CEI EN 61158-4-20:2016 Industrial communication networks - Fieldbus specifications Part 4-20: Data-link layer protocol specification - Type 20 elements
CEI EN 61158-6-20:2016 Industrial communication networks - Fieldbus specifications Part 6-20: Application layer protocol specification - Type 20 elements
CEI EN 62047-20:2016 Semiconductor devices - Micro-electromechanical devices Part 20: Gyroscopes
CEI EN 60598-2-20:2015 Luminaires Part 2-20: Particular requirements - Lighting chains

European Committee for Electrotechnical Standardization（CENELEC）

EN 60794-2-20:2003 Optical fibre cables Part 2-20: Indoor cables - Family specification for multi-fibre optical distribution cables
EN 60794-2-20:2014 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
EN 60794-2-20:2010 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical distribution cables
EN IEC 60794-2-20:2025 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
EN IEC 60794-6-20:2020 Optical fibre cables - Part 6-20: Indoor-outdoor cables - Family specification for flame retardant outdoor cables
EN 61158-5-20:2014 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements
CLC/TS 60034-20-1-2004 Rotating electrical machines Part 20-1: Control motors - Stepping motors
EN 61158-6-20:2014 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements
EN 61158-5-20:2012 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements
EN 61158-6-20:2012 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements
EN 62326-20:2016 Printed boards - Part 20: Printed circuit boards for high-brightness LEDs
EN 61158-5-20:2008 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements [: CENELEC EN 61158-5]
EN 61158-3-20:2014 Industrial communication networks - Fieldbus specifications - Part 3-20: Data-link layer service definition - Type 20 elements
EN 61158-4-20:2014 Industrial communication networks - Fieldbus specifications - Part 4-20: Data-link layer protocol specification - Type 20 elements
EN 62047-20:2014 Semiconductor devices - Micro-electromechanical devices - Part 20: Gyroscopes
EN 60598-2-20:2015 Luminaires - Part 2-20: Particular requirements - Lighting chains
EN 60598-2-20:2010 Luminaires - Part 2-20: Particular requirements - Lighting chains (Remains Current)
EN 60598-2-20:1997 Luminaires Part 2: Particular requirements Section 20: Lighting chains Includes amendment A1:1998 and A2:2004; IEC 60598-2-20:1996 + A1:1998 + A2:2004, modified
EN IEC 61784-5-20:2018 Industrial communication networks - Profiles - Part 5-20: Installation of fieldbuses - Installation profiles for CPF 20
EN 61754-20:2002 Fibre optic connector interfaces Part 20: Type LC connector family

Underwriters Laboratories (UL)

GCC Standardization Organization

GSO ISO 16000-20:2015 Indoor air -- Part 20: Detection and enumeration of moulds -- Determination of total spore count
GSO IEC 60794-2-20:2015 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
GSO IEC 60169-20:2014 Radio-frequency connectors. Part 20: R.F. coaxial connectors with inner diameter of outer conductor of 2.08 mm (0.082 in) screw coupling. Characteristic impedance 50 ohms (Type SSMC)
GSO IEC 61158-6-20:2014 Industrial communication networks - Fieldbus specifications - Part 6-20: Application layer protocol specification - Type 20 elements
GSO IEC TS 60076-20:2021 Power transformers - Part 20: Energy efficiency

Ente Nazionale Italiano di Unificazione

UNI ISO 16000-20:2024 Indoor air - Part 20: Detection and enumeration of moulds - Determination of total spore count
UNI EN 1254-20-2021 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
UNI EN 1254-20:2021 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
UNI EN 1254-20:2025 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
UNI EN 13523-20:2005 Coil coated metals - Test methods - Part 20: Foam adhesion

Gosstandart of Russia

GOST ISO 16000-20-2017 Indoor air. Part 20. Detection and enumeration of moulds. Determination of total spore count

Association for Electrical, Electronic & Information Technologies (VDE)

VDE 0800-500-20-2019 Industrielle Kommunikationsnetze - Profile - Teil 5-20: Feldbusinstallation - Installationsprofile fuer die Kommunikationsprofilfamilie 20 (IEC 61784-5-20:2018); Deutsche Fassung EN IEC 61784-5-20:2018
VDE 0711-2-20-2015 Leuchten - Teil 2-20: Besondere Anforderungen - Lichterketten (IEC 60598-2-20:2014); Deutsche Fassung EN 60598-2-20:2015
VDE 0711-2-20-1998*DIN EN 60598-2-20:1998 Part 2-20 Particular requirements for luminaires Main part 20: Light strings
VDE 0471-11-20-2016 Pruefungen zur Beurteilung der Brandgefahr - Teil 11-20: Pruefflammen - Pruefverfahren mit einer 500-W-Pruefflamme (IEC 60695-11-20:2015 + COR1:2016); Deutsche Fassung EN 60695-11-20:2015 + AC:2016
VDE 0750-2-20-2010 Medizinische elektrische Geraete - Teil 2-20: Besondere Festlegungen fuer die Sicherheit einschliesslich der wesentlichen Leistungsmerkmale von Transportinkubatoren (IEC 60601-2-20:2009); Deutsche Fassung EN 60601-2-20:2009
VDE 0888-322-2002*DIN EN 60793-2-20:2002 Optical fibre cables Part 2-20: Product specifications - Sectional specifications for category A2 multimode optical fibres (IEC 60793-2-20:2001)
VDE 0740-2-20-2010 Handgefuehrte motorbetriebene Elektrowerkzeuge - Sicherheit - Teil 2-20: Besondere Anforderungen fuer Bandsaegen (IEC 60745-2-20:2003@ modifiziert + A1:2008); Deutsche Fassung EN 60745-2-20:2009
VDE 0471-1-20-2016 Pruefungen zur Beurteilung der Brandgefahr - Teil 1-20: Anleitung zur Beurteilung der Brandgefahr von elektrotechnischen Erzeugnissen - Entzuendbarkeit - Allgemeiner Leitfaden (IEC 60695-1-20:2016); Deutsche Fassung EN 60695-1-20:2016
VDE 0471-1-20-2017 Pruefungen zur Beurteilung der Brandgefahr - Teil 1-20: Anleitung zur Beurteilung der Brandgefahr von elektrotechnischen Erzeugnissen - Entzuendbarkeit - Allgemeiner Leitfaden (IEC 60695-1-20:2016); Deutsche Fassung EN 60695-1-20:2016
VDE 0711-2-20 BERICHTIGUNG 1-2017 Leuchten - Teil 2-20: Besondere Anforderungen - Lichterketten (IEC 60598-2-20:2014); Deutsche Fassung EN 60598-2-20:2015@ Berichtigung zu DIN EN 60598-2-20 (VDE 0711-2-20):2015-10@ (IEC 60598-2-20:2014/COR1:2016); Deutsche Fassung EN 60598-2-20:2015/AC:20
VDE 0800-500-20-2016 Industrielle Kommunikationsnetze - Profile - Teil 5-20: Feldbusinstallation - Installationsprofile fuer die Kommunikationsprofilfamilie 20 (IEC 65C/836/CD:2015)
VDE 0750-2-20-2017 Medizinische elektrische Geraete - Teil 2-20: Besondere Festlegungen fuer die Sicherheit einschliesslich der wesentlichen Leistungsmerkmale von Transportinkubatoren (IEC 60601-2-20:2009 + Cor.:2012 + Cor.:2013 + A1:2016); Deutsche Fassung EN 60601-2-20:20
VDE 0532-76-20-2014 Leistungstransformatoren - Teil 20: Energieeffizienz (IEC 14/778/CD:2013)
VDE 0711-2-20-2004*DIN EN 60598-2-20:2004 Luminaires Part 2-20: Particular requirements for light chains
VDE 0170-20-1-2010 Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data (IEC 60079-20-1:2010); German version EN 60079-20-1:2010
VDE 0888-100-20-2014 Optical fibre cables - Part 1-20: Generic specification - Basic optical cable test procedures - General and definitions (IEC 60794-1-20:2014); German version EN 60794-1-20:2014
VDE 0474-317-20-2020*DIN EN 60317-20:2020 Technical delivery conditions for certain types of winding conductors Part 20: Solderable polyurethane-impregnated round copper wire Grade 155 (IEC 60317-20:2013 + A1:2019)
VDE 0847-4-20-2003*DIN EN 61000-4-20:2003 Electromagnetic compatibility (EMC) Part 4-20: Testing and measurement techniques - Measurement of interference emission and immunity in TEM waveguides (IEC 61000-4-20:2003)
VDE V 0532-76-20-2019*DIN IEC TS 60076-20:2019 Power Transformer Energy Efficiency (IEC TS 60076-20:2017 + COR1:2018)
VDE 0570-2-20-2011 Safety of transformers@ reactors@ power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors (IEC 61558-2-20:2010); German version EN 61558-2-20:2011

Bureau of Indian Standards

IS 7016-20-2023 Rubber or Plastics Coated Fabrics-Methods of Test - Part 20 Determination of Fogging Characteristics of Trim Materials in the Interior of Automobiles
IS 1734-20-1983 Methods of test for plywood (Parts 1 to 20 in one volume) PART 20 ACIDITY AND ALKALINITY RESISTANCE TEST
IS 5182-20-1982 Methods for measurement of air pollution-20 Carbon disulphide
IS 1885-20-1967 Electrotechnical vocabulary: Part 20 Radio-wave propagation
IS 10810-20-1984 Methods of test for cables:Part 20 Cold bend test
IS 4410-20-1983 Glossary of terms relating to river valley projects: Part 20 Tunnels
IS 5508-20-2021 Guide for Fishing Gear - Part 20 : 21.7 m (316 Mesh) Bottom Fish Trawl Net
IS 2720-20-1992 Methods of test for soils: Part 20 Determination of linear shrinkage
IS 6213-20-1984 Methods of test for pulp: Part 20 Determination of alkali resistance of pulp
IS 5000 OD.20-1978 Semiconductor device size device outline OD 20
IS 10810 Pt.20-1984 Cable test methods Part 20 Cold bend test
IS 8085-20-2023 Methods of Test for Footwear Part 20 Flex Resistance for Uppers and Lining
IS 10714-20-2001 Technical Drawings - General Principles of Presentation - Part 20 Basic Conventions for Lines
IS 13450-2-20-2023 Medical Electrical Equipment - Part 2 Particular Requirements for Basic Safety and Essential Performance - Section 20 Infant Transport Incubators (IEC 60601-2-20 : 2020, MOD)
IS 8271-2-20-1985 Quartz Crystal Units Used for Frequency Control and Selection - Part 2 : Series AA for Oscillators - Section 20 : Quartz Crystal Unit Type AA-20
IS/IEC 62326-20-2016 Printed Boards Part 20 Printed Circuit Boards for High-Brightness LEDs
IS 9001-20-2010 Guidance for Environmental Testing Part 20 Calculation of Uncertainty of Conditions in Climatic Test Chambers
IS 1448-20-2024 Petroleum and Its Products - Test Methods - Part 20 Determination of Flash Point - Abel Closed-Cup Method
IS 1734 Pt.20-1983 Test methods for plywood Part 20 Acid and alkali resistance test
IS 15999-20-1-2023 Rotating Electrical Machines - Part 20 Control Motors - Section 1 Stepping Motors
IS 2720 Pt.20-1992 Soil Test Methods Part 20 Determination of Linear Shrinkage
IS 18430-20-2023 Geometrical Product Specifications (Gps) - Filtration: Part 20 Linear Profile Filters: Basic Concepts
IS 9401-20-2013 Method of Measurement of Works in River valley Projects (Dams and Appurtenant Structures) Part 20 protection works
IS 17805-20-2024 Electrical Requirements for Lifts Escalators and Moving Walks - Part 20 Cyber Security
IS 1448 Pt.20-1982 Test methods for petroleum and its products [P: 20] Determination of flash point by ABEL method
IS 3400-20-2018 Methods of Test for Vulcanized Rubbers - Part 20 : Resistance to Ozone Cracking - Static Strain Test (Second Revision)
IS 1200-20-1981 Method of Measurement of Building and Civil Engineering Works: Part 20 Laying of Gas and Oil Pipelines
IS 2032-20-1977 Graphical symbols used in electrotechnology: Part 20 Radio communication transmission circuits, lines and accessories

Institute of Electrical and Electronics Engineers (IEEE)

SMPTE EG 20:1997 EG 20:1997 - SMPTE Engineering Guideline - Tape Transport Geometry Parameters for 19-mm Type D-2 Composite Format for Television Digital Recording
RDD 20:2010 RDD 20:2010 - SMPTE Registered Disclosure Doc - Cinelink 2 Specification
SMPTE RDD 20:2010 RDD 20:2010 - SMPTE Registered Disclosure Doc - Cinelink 2 Specification
RP 20:2003 RP 20:2003 - SMPTE Recommended Practice - Specifications for 16-mm Registration Test Film
ST 429-20:2023 ST 429-20:2023 - SMPTE Standard - D-Cinema Packaging — MXF Constraints
SMPTE RP 20:2003 RP 20:2003 - SMPTE Recommended Practice - Specifications for 16-mm Registration Test Film
ST 2067-20:2013 ST 2067-20:2013 - SMPTE Standard - Interoperable Master Format — Application #2
ST 20:2003 ST 20:2003 - SMPTE Standard - For Television Analog Recording — 1-in Type C Recorders and Reproducers Longitudinal Audio Characteristics
ST 2067-20:2016 ST 2067-20:2016 - SMPTE Standard - Interoperable Master Format — Application #2

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 16000-20:2017 Indoor air -- Part 20: Detection and enumeration of moulds -- Determination of total spore count

European Committee for Standardization (CEN)

EN 1254-20:2021 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
PREN 1254-20-2019 Copper and copper alloys - Plumbing fittings - Part 20: Definitions@ thread dimensions@ test methods@ reference data and supporting information
FprEN ISO 4254-20 Agricultural machinery - Safety - Part 20: Grape, olives and coffee harvesters (ISO/FDIS 4254-20:2024)
prEN ISO 4254-20 Agricultural machinery - Safety - Part 20: Grape, olives and coffee harvesters (ISO/DIS 4254-20:2022)
EN ISO 3262-20:2000 Extenders for Paints - Specifications and Methods of Test - Part 20: Fumed Silica ISO 3262-20:2000
EN 60598-2-20:1991 Luminaires; part 2: particular requirements; section 20: lighting chains (IEC 598-2-20:1982 + A1:1987, modified)
EN 61158-6-20:2008 Industrial communication networks — Fieldbus specifications — Part 6-20: Application layer protocol specification — Type 20 elements
prEN ISO 19085-20 Woodworking machines - Safety - Part 20: Horizontal cutting cross-cut sawing machines with one saw unit (radial arm saws) (ISO/DIS 19085-20:2024)
EN 14035-20:2005 Fireworks - Part 20: Jumping crackers - Specification and test methods
EN ISO 80369-20:2015 Small-bore connectors for liquids and gases in healthcare applications - Part 20: Common test methods (ISO 80369-20:2015)
prEN ISO 10545-20:2021 Ceramic tiles - Test methods - Part20: Determination of deflection of ceramic tiles for calculating their radius of curvature (ISO/DIS 10545-20:2021)
EN 13108-20:2016 Bituminous mixtures - Material specifications - Part 20: Type Testing
EN ISO 80369-20:2024 Small-bore connectors for liquids and gases in healthcare applications - Part 20: Common test methods (ISO 80369‑20:2024)
prEN ISO 9241-20:2021 Ergonomics of human-system interaction - Part 20: An ergonomic approach to accessibility within the ISO 9241 series (ISO/DIS 9241-20:2021)
EN 13523-20:2011 Coil coated metals - Test methods - Part 20: Foam adhesion
EN 54-20:2006 Fire detection and fire alarm systems - Part 20: Aspirating smoke detectors

Spanish Association for Standardization (UNE)

UNE-EN 60794-2-20:2014 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables (Endorsed by AENOR in July of 2014.)
AENOR UNE-EN 60794-2-20:2011 Optical fibre wires. Part 2-20: Indoor fiber optic cables. Family specification for multi-fiber optic distribution cables.
UNE-EN 60794-2-20:2011 Optical fibre cables -- Part 2-20: Indoor optical fibre cables - Family specification for multi-fibre optical distribution cables
UNE-EN 1254-20:2022 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
UNE-EN IEC 60794-6-20:2020 Optical Fibre Cables - Part 6-20: Indoor-Outdoor cables - Family specification for Flame Retardant Outdoor cables (Endorsed by Asociación Española de Normalización in January of 2021.)
UNE-EN ISO 3262-20:2001 Extenders for paints - Specifications and methods of test - Part 20: Fumed silica. (ISO 3262-20:2000)
UNE-EN 61158-5-20:2014 Industrial communication networks - Fieldbus specifications - Part 5-20: Application layer service definition - Type 20 elements (Endorsed by AENOR in December of 2014.)
UNE-EN ISO 128-20:2002 Technical drawings - General principles of presentation - Part 20: Basic conventions for lines. (ISO 128-20:1996)

Aeronautical Radio Inc.

ARINC SPECIFICATION 600-20-2017 ARINC SPECIFICATION 600-20
ARINC 424-20-2011 NAVIGATION SYSTEM DATABASE 1975; Includes Supplements 1-20

Polski Komitet Normalizacyjny (PKN)

PN-EN IEC 60794-6-20-2021-07 E Optical fibre cables - Part 6-20: Indoor-outdoor cables - Family specification for flame retardant outdoor cables (IEC 60794-6-20:2020)
PN-EN 1254-20-2021-10 E Copper and copper alloys -- Plumbing fittings -- Part 20: Definitions, thread dimensions, test methods, reference data and supporting information

Austrian Standards

OENORM EN 1254-20-2021 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
OENORM EN ISO 3262-20:2021 Extenders - Specifications and methods of test - Part 20: Fumed silica (ISO 3262-20:2021)

Indonesia Standards

SNI 7555-20:2020 Furniture – Part 20: Sofa Chair
SNI IEC 60598-2-20:2022 Luminer – Part 2-20: Specific requirements – Light strings (IEC 60598–2–20: 2022, IDT)
SNI ISO 15500-20:2015 Kendaraan bermotor - Komponen sistem bahan bakar gas bumi bertekanan (Compressed Natural Gas/CNG) - Bagian 20: Saluran bahan bakar kaku bukan baja tahan karat (ISO 15500-20:2007, IDT)
SNI 7069-20:2022 Classification and specifications – Lubricants – Part 20: Tractor lubricating oils
SNI EN 81-20:2020 Persyaratan keselamatan untuk konstruksi dan pemasangan lift - Lift untuk pengangkutan orang dan barang - Bagian 20: Lift penumpang dan barang (EN 81-20:2020, IDT)
SNI IEC 60598-2-20:2012 Luminaires Part 2-20: Special Requirements Lamp Chains

American Concrete Institute

ACI CODE-350-20 Code Requirements for Environmental Engineering Concrete Structures (ACI 350-20) and Commentary (ACI 350R-20), Includes Errata (2022)
ACI CODE-350-20 (SI-Units) Code Requirements for Environmental Engineering Concrete Structures (ACI 350-20) and Commentary (ACI 350R-20) (SI-Units)
ACI 350.3-20 Code Requirements for Seismic Analysis and Design of Liquid-Containing Concrete Structures (ACI 350.3-20) and Commentary

Aerospace Industries Association/ANSI Aerospace Standards

NASM1312-20-1997 Fastener Test Methods; Method 20 Single Shear
NASM1312-20-2011 FASTENER TEST METHODS METHOD 20 SINGLE SHEAR (Rev 1)
NASM1312-20-2016 FASTENER TEST METHODS@ METHOD 20@ SINGLE SHEAR (Rev 2)

Military Standards (MIL-STD)

MIL MIL-C-20/7B-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) (UNINSULATED), NON-ESTABLISHED RELIABILITY, STYLE CC30 (SUPERSEDING MIL-C-20/7A, MIL-C-20/2B, MIL-C-20/9C, MIL-C-20/4C, MIL-C-20/8B, MIL-C-20/12B AND MIL-C-20/10B) (NO S/S DOCUMENT)
MIL MIL-C-20/1C-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) (UNINSULATED), NON-ESTABLISHED RELIABILITY, STYLE CC20 (SUPERSEDING MIL-C-20/1B, MIL-C-20/4C, MIL-C-20/9C, MIL-C-20/8B, MIL-C-20/2B, MIL-C-20/12B AND MIL-C-20/10B) (NO S/S DOCUMENT)
MIL MIL-C-20/6B-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) (INSULATED), NON-ESTABLISHED RELIABILITY, STYLE CC27 (SUPERSEDING MIL-C-20/6A, MIL-C-20/2B, MIL-C-20/12B, MIL-C-20/9C, MIL-C-20/8B, MIL-C-20/4C AND MIL-C-20/10B) (NO S/S DOCUMENT)
MIL MIL-C-20/18C-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) (INSULATED), NON-ESTABLISHED RELIABILITY, STYLE CC52 (SUPERSEDING MIL-C-20/18B, MIL-C-20/46, MIL-C-20/43, MIL-C-20/45 AND MIL-C-20/44) (NO S/S DOCUMENT)
MIL MIL-C-20/19B-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) (INSULATED), NON-ESTABLISHED RELIABILITY, STYLE CC53 (SUPERSEDING MIL-C-20/19A, MIL-C-20/44, MIL-C-20/45, MIL-C-20/43 AND MIL-C-20/46) (NO S/S DOCUMENT)
MIL MIL-C-20/16D-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) (INSULATED), NON-ESTABLISHED RELIABILITY STYLE CC50 (SUPERSEDING MIL-C-20/16C, MIL-C-20/43, MIL-C-20/45, MIL-C-20/44 AND MIL-C-20/46) (NO S/S DOCUMENT)
MIL MIL-C-20/43-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) ESTABLISHED AND NONESTABLISHED RELIABILITY; STYLES CCR54 AND CC54 (S/S BY MIL-C-20/16D, MIL-C-20/17C, MIL-C-20/18C AND MIL-C-20/19B)
MIL MIL-C-20/44-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) ESTABLISHED AND NON-ESTABLISHED RELIABILITY, STYLE CCR55 AND CC55 (S/S BY MIL-C-20/16D, MIL-C-20/17C, MIL-C-20/18C AND MIL-C-20/19B)
MIL MIL-C-20/17C-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) (INSULATED), NON-ESTABLISHED RELIABILITY, STYLE CC51 (SUPERSEDING MIL-C-20/17B, MIL-C-20/45, MIL-C-20/43, MIL-C-20/44 AND MIL-C-20/46) (NO S/S DOCUMENT)
MIL MIL-T-55164/20A-1988 TERMINAL BOARDS, MOLDED, BARRIER STUD TYPE, CLASS 16TB (SUPERSEDING MIL-T-55164/20) (S/S BY A-A-59125/20)
MIL MIL-C-20/45-1973 CAPACITOR, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) ; ESTABLISHED AND NON-ESTABLISHED RELIABILITY, STYLE CCR56 AND CC56 (S/S BY MIL-C-20/16D, MIL-C-20/17C, MIL-C-20/18C, AND MIL-C-20/19B)
MIL MIL-C-52286/20A-1973 CABLE ASSEMBLY, POWER ELECTRICAL (NO S/S DOCUMENT) (SEE MIL-C-52286/4 FOR NOTICE OF GROUP CANCELLATION) (SUPERSEDING MIL-C-52286/20)
MIL MIL-C-20/8B-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) (INSULATED), NON-ESTABLISHED RELIABILITY, STYLES CC31 (S/S BY MIL-C-20/1C, MIL-C-20/6B AND MIL-C-20/7B) (SUPERSEDING MIL-C-20/8A)
MIL MIL-C-20/10B-1973 CAPACITORS, FIXED, CERAMIC DIELECTRIC (TEMPERATURE COMPENSATING) (INSULATED), NON-ESTABLISHED RELIABILITY; STYLE CC33 (S/S BY MIL-C-20/1C, MIL-C-20/6B AND MIL-C-20/7B)(SUPERSEDING MIL-C-20/10A)
MIL MIL-E-24142/20A-1984 ENCLOSURES, WITH FUSE COVER, SIZE 10 BY 20, THROUGH 12 BY 22, TOTALLY ENCLOSED, NONWATERTIGHT (SUPERSEDING MIL-E-24142/20)
MIL MIL-I-22352/20-1984 INTERCOMMUNICATIONS SETS, AN/AIC-14 AND AN/AIC-14A MASTER INTERPHONE CONTROL PANEL C-2645B/AIC-14 (SEE BASE FOR INACTIVATION NOTICE)
MIL MIL-PRF-83446/20-1988 COILS, RADIO FREQUENCY, CHIP, FIXED, PHENOLIC CORE (ADMINISTRATIVELY CHANGED TO MIL-PRF-83446/20) (SUPERSEDING MIL-C-83446/20)

Standards Norway

NS-EN 1254-20:2021 Copper and copper alloys - Plumbing fittings - Part 20: Definitions, thread dimensions, test methods, reference data and supporting information
SN-CWA 14050-20:2000 Extensions for Financial Services (XFS) interface specification — Release 3.0 — Part 20: Pin Keypad Device Class Interface — Migration from Version 2.0 (see CWA 13449) to Version 3.0 (this CWA) — Programmer's Reference
NS-EN ISO 3262-20:2021 Extenders - Specifications and methods of test - Part 20: Fumed silica (ISO 3262-20:2021)
NS-EN ISO 128-20:2001 Technical drawings — General principles of presentation — Part 20: Basic conventions for lines (ISO 128-20:1996)
NS-EN ISO 3262-20:2000 Extenders for paints — Specifications and methods of test — Part 20: Fumed silica (ISO 3262-20:2000)

American National Standards Institute （ANSI)

ANSI/SCTE 165-20-2009 IPCablecom 1.5 Part 20: MTA Extension MIB
ANSI/IES LM-58-20 errata 2021 ANSI/IES LM-58-20 Errata
ANSI/IES RP-30-20 errata 2021 ANSI/IES RP-30-20 Errata
ANSI/IES LS-6-20 errata 2021 ANSI/IES LS-6-20 Errata
ANSI/INCITS/ISO/IEC 14496-5/AMD 20:2011 Information technology - Coding of audio-visual objects - Part 5: Reference software; AMENDMENT 20: MPEG-1 and -2 on MPEG-4 reference software and BSAC extensions
ANSI/IES RP-9-20 errata 2021 ANSI/IES RP-9-20 Errata
ANSI/IES RP-10-20 errata 2021 ANSI/IES RP-10-20 Errata

Swiss Association for Standardization (SNV)

SN EN ISO 3262-20:2021 Extenders - Specifications and methods of test - Part 20: Fumed silica (ISO 3262-20:2021)

Canadian Standards Association (CSA)

CSA ISO/IEC 29341-20-12:2019 Information technology — UPnP Device Architecture — Part 20-12: Audio video device control protocol — Level 4 — Content directory service
CAN/CSA-ISO/IEC 29341-20-12-2019 Information technology - UPnP Device Architecture - Part 20-12: Audio video device control protocol - Level 4 - Content directory service (Adopted ISO/IEC 29341-20-12:2017, first edition, 2017-09)
CSA ISO 8100-20:2021 Lifts for the transport of persons and goods - Part 20: Global essential safety requirements (GESRs) (Adopted ISO 8100-20:2018, first edition, 2018-08)
CSA ISO/IEC 14496-5-06-CAN/CSA AMD 20:2009 Information technology — Coding of audio-visual objects — Part 5: Reference software — AMENDMENT 20: MPEG-1 and -2 on MPEG-4 reference software and BSAC extensions

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 7722-2-20-2013 Luminaires.Part 2-20: Particular requirements.Lighting chains

American Association of State Highway and Transportation Officials

AASHTO R20-1999 Standard Recommended Practice for Procedures for Measuring Highway Noise Twentieth Edition

Czech Standards Institute (UNMZ)

CSN 72 2041-20-1992 Chemical analysis of steel-making slags. Determination of titanium doixide content
CSN 20 0711 Za-1981 Czech National Standard 20 0711 Safety Requirements for Milling Machines
CSN 46 2520-20-1997 Testing of hops - Part 20: Boiling test
CSN 20 0712 Za-1981 Czech National Standard 20 0712 Safety rules for planers

Aerospace Industries Association

AIA NASM1312-20-1997 Fastener Test Methods; Method 20 Single Shear FSC 53GP

Fondo para la Normalización y Certificación de la Calidad Venezuela, République bolivarienne du

E42-20-1969 International Electronic Glossary Group 20. Industrial Scientific Measuring Equipment

The Directorate General of Specifications and Metrology (DGSM)

OS GSO IEC 60169-20:2014 Radio-frequency connectors. Part 20: R.F. coaxial connectors with inner diameter of outer conductor of 2.08 mm (0.082 in) screw coupling. Characteristic impedance 50 ohms (Type SSMC)

(U.S.) Telecommunications Industries Association

TSB62-20-2001 ITM-20 enhanced Bandwidth Performance over Laser-Based@ Multimode Fiber Local Area Networks

Electronic Components, Assemblies and Materials Association

ECA 448-20-1989 Method 20 Test Method for Electromechanical Components Test Method for Lens Face Touch Temperature

Code of Federal Regulations (CFR)

CFR 46-78.36-20-2014 Shipping. Part78:Operations. Section78.36–20:Shipboard inspections.

United States Navy

NAVY MIL-DTL-24643/20 F-2009 CABLE, ELECTRICAL, -20 DEGREE C TO +105 DEGREE C, 1000 VOLTS, TYPE LS7SGU

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