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Database: 365,228(8 Aug 2026)

Hierarchy

Hierarchy, Total:231 items.

The international standard classification for "Hierarchy" includes: Geology. Meteorology. Hydrology , Leisure. Tourism , Accessories for lifting equipment , Noise with respect to human beings , Timber structures , Farming and forestry .

The Chinese standard classification for "Hierarchy" includes: Meteorology , Supply and Use Relation , Hoisting machinery , Acoustic Measurement , Timber engineering , Economic forest and byproduct , .


Group Standards of the People's Republic of China

  • T/QTL 001-2022 Youth Sports Training Club Rating Standard in Beijing
  • T/HNJC 005-2021 Classification and Evaluation Criteria of Group Meals in Hainan Province

Shaanxi Provincial Standard of the People's Republic of China

Military Standard of the People's Republic of China-General Armament Department

  • GJB 8345-2015 Classification and definition of equipment manufacturing maturity levels

中国气象局

Professional Standard - Aerospace

  • QJ 536-1980 Surface finish grade and designation of wooden parts

Hunan Provincial Standard of the People's Republic of China

Professional Standard - Chemical Industry

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Professional Standard - Business

国家市场监督管理总局、中国国家标准化管理委员会

Anhui Provincial Standard of the People's Republic of China

  • DB34/T 2189-2014 Enterprise Quality Credit Rating Evaluation Grade Limitation and Adjustment Regulations
  • DB34/T 2189-2020 Enterprise Quality Credit Rating Evaluation Grade Limitation and Adjustment Regulations

Liaoning Provincial Standard of the People's Republic of China

Professional Standard - Meteorology

Beijing Provincial Standard of the People's Republic of China

Professional Standard - Railway

Professional Standard - Forestry

国家林业和草原局

Inner Mongolia Provincial Standard of the People's Republic of China

Jilin Provincial Standard of the People's Republic of China

Heilongjiang Provincial Standard of the People's Republic of China

Henan Provincial Standard of the People's Republic of China

Qinghai Provincial Standard of the People's Republic of China

Professional Standard - Machinery

Professional Standard - Public Safety Standards

  • GA 214-2007 Recommended Levels of Gypsum Board Finish

Xinjiang Provincial Standard of the People's Republic of China

文化和旅游部

Professional Standard - Building Materials

HU-MSZT

Korean Agency for Technology and Standards (KATS)

Indonesia Standards

German Institute for Standardization

  • DIN 66074-2:1975 Shoe sizes; length grading
  • DIN EN 1912:1998 Structural timber - Strength classes - Assignment of visual grades and species
  • DIN EN 1912:2005 Structural timber - Strength classes - Assignment of visual grades and species
  • DIN EN 1912:2009 Structural timber - Strength classes - Assignment of visual grades and species
  • DIN EN 1912:2012 Structural timber - Strength classes - Assignment of visual grades and species; German version EN 1912:2012
  • DIN EN 338:1996 Structural timber — Strength classes
  • DIN EN 1912:2022 Structural Timber - Strength classes - Assignment of visual grades and species; German and English version prEN 1912:2022
  • DIN EN 338:2016-07 Structural timber - Strength classes; German version EN 338:2016
  • DIN EN 1912:2007 Structural timber - Strength classes - Assignment of visual grades and species; German version EN 1912:2004+A1:2007
  • DIN EN 1912:2008 Structural timber - Strength classes - Assignment of visual grades and species; German version EN 1912:2004+A2:2008
  • DIN EN 1912:2013-10 Structural timber - Strength classes - Assignment of visual grades and species; German version EN 1912:2012 + AC:2013 / Note: To be replaced by DIN EN 1912 (2022-11).
  • DIN EN 1912:2022-11 Structural Timber - Strength classes - Assignment of visual grades and species; German and English version prEN 1912:2022 / Note: Date of issue 2022-10-14*Intended as replacement for DIN EN 1912 (2013-10).
  • DIN EN 1912 E:2010-08 Structural timber - Strength classes - Assignment of visual grades and species
  • DIN EN 1529:2022-02 Door leaves - Height, width, thickness and squareness - Tolerance classes; German version EN 1529:2021
  • DIN EN 1529:2020 Door leaves - Height, width, thickness and squareness - Tolerance classes; German and English version prEN 1529:2020
  • DIN EN 1529:2022 Door leaves - Height, width, thickness and squareness - Tolerance classes
  • DIN EN 338:2003 Structural timber - Strength classes

CL-INN

IN-BIS

Association Francaise de Normalisation

  • NF EN 338:2016 Structural wood - Strength classes
  • NF L46-015:1987 O-rings. Butadiene acrylonitrile rubber 20B8. Precision class A. Performance class 3.
  • NF P21-353:2009 Structural timber - Strength classes.
  • NF P21-353*NF EN 338:2016 Structural timber - Strength classes
  • NF L46-012:1986 Joints toriques - Élastomère fluorocarboné 64C8 - Classe de précision A - Classe de qualité 3.
  • NF EN 1912:2012 Structural wood - Resistance classes - Assignment of visual classes and species
  • NF L46-014:1986 O-rings. Butadiene acrylonitrile rubber 20A8. Precision class A. Quality class 3.
  • NF P20-606*NF EN 1529:2021 Door leaves - Height, width, thickness and squareness - Tolerance classes
  • NF L46-016:1987 O-rings - Ethylene-propylene elastomer 41B8 - Precision class A - Performance class 3
  • NF P20-606:2000 Door leaves - Height, width, thickness and squareness - Tolerance classes.
  • NF EN 1529:2021 Door leaves - Height, width, thickness and squareness - Tolerance classes
  • NF P21-395:1998 Structural timber. Strength classes. Assignment of visual grades and species.
  • NF P21-395*NF EN 1912:2012 Structural Timber - Strength classes - Assignment of visual grades and species

BE-NBN

  • NBN S 01-002-1974 Acoustics — Physical and subjective levels of sound or noise and loudness scale

Danish Standards Foundation

ITU-T - International Telecommunication Union/ITU Telcommunication Sector

RU-GOST R

British Standards Institution (BSI)

  • BS EN 1912+A4:2006 Structural timber. Strength classes. Assignment of visual grades and species
  • BS EN 1912:2012 Structural Timber. Strength classes. Assignment of visual grades and species
  • BS EN 1912:2006 Structural timber - Strength classes - Assignment of visual grades and species
  • BS EN 1912:2004+A4:2010 Structural timber - Strength classes - Assignment of visual grades and species
  • BS EN 1912:2004 Structural timber - Strength classes - Assignment of visual grades and species
  • BS EN 1912:2004+A3:2009 Structural timber - Strength classes - Assignment of visual grades and species
  • BS EN 1912:2012(2013) Structural Timber — Strength classes — Assignment of visual grades and species
  • BS EN 1912:2024 Structural Timber — Strength classes — Assignment of visual grades and species
  • BS EN 1529:2000 Door leaves - Height, width, thickness and squareness - Tolerance classes
  • BS EN 1529:2021 Door leaves. Height, width, thickness and squareness. Tolerance classes
  • BS 4A 114:1999 Specification for corrosion-resisting steel, mushroom-headed, slotted-drive, bolts (strength a class 880/1080)
  • BS ISO 15312:2018 Rolling bearings. Thermal speed rating. Calculation
  • BS 4978:2007 Visual strength grading of softwood - Specification
  • BS 4978:1996 Specification for visual strength grading of softwood
  • BS 4978:2007+A1:2011 Visual strength grading of softwood. Specification
  • BS ISO 817:2014+A2:2021 Refrigerants. Designation and safety classification

European Committee for Standardization (CEN)

  • EN 1912:1998 Structural Timber - Strength Classes - Assignment of Visual Grades and Species
  • EN 1912:2012 Structural Timber - Strength classes - Assignment of visual grades and species (Incorporating corrigendum August 2013)
  • EN 338:2003 Structural Timber - Strength Classes
  • EN 338:2016 Structural timber - Strength classes
  • EN 338:1995 Structural Timber - Strength Classes
  • prEN 1529-2020 Door leaves - Height, width, thickness and squareness - Tolerance classes
  • prEN 782-1992 Hexagon bolts for high-strength structural bolting with large width across flats (short thread length); product grade C; property class 10.9

Spanish Association for Standardization (UNE)

SCC

  • BS EN 338:1995 Structural timber. Strength classes
  • NS-EN 338:2003 Structural timber — Strength classes
  • NS-EN 338:2009 Structural timber — Strength classes
  • NS-EN 1912:2004+A2:2008 Structural timber — Strength classes — Assignment of visual grades and species
  • AENOR UNE-EN 1912/AC:2012 Structural Timber - Strength classes - Assignment of visual grades and species
  • AENOR UNE-EN 338:2016 Structural timber - Strength classes
  • NS-EN 1912:2004+A1:2007 Structural timber — Strength classes — Assignment of visual grades and species
  • NS-EN 1912:2004+A4:2010 Structural timber — Strength classes — Assignment of visual grades and species
  • NS-EN 1912:1998 Structural timber — Strength classes — Assignment of visual grades and species
  • NS-EN 338:2016 Structural timber — Strength classes
  • DANSK DS/EN 338:2016 Structural timber - Strength classes
  • NS-EN 1912:2004+A3:2009 Structural timber — Strength classes — Assignment of visual grades and species
  • DANSK DS/EN 1912:2012 Structural Timber - Strength classes - Assignment of visual grades and species
  • NS-EN 1912:2012 Structural Timber — Strength classes — Assignment of visual grades and species
  • BS EN 1912:1998 Structural timber. Strength classes. Assignment of visual grades and species
  • AENOR UNE-EN 1912:2012 Structural Timber - Strength classes - Assignment of visual grades and species
  • DANSK DS/EN 1912/AC:2012 Structural Timber - Strength classes - Assignment of visual grades and species
  • NS-EN 338:1995 Structural timber — Strength classes
  • NS-EN 1912:2004 Structural timber — Strength classes — Assignment of visual grades and species
  • DIN EN 1912/A3 E:2008 Draft Document - Structural timber - Strength classes - Assignment of visual grades and species; German version EN 1912:2008/prA3:2008
  • DIN EN 1912 E:2010 Draft Document - Structural timber - Strength classes - Assignment of visual grades and species; German version prEN 1912:2010
  • DIN EN 1912/A4 E:2009 Draft Document - Structural timber - Strength classes - Assignment of visual grades and species; German version EN 1912:2004/FprA4:2009
  • DIN EN 1912/A2 E:2007 Draft Document - Structural timber - Strength classes - Assignment of visual grades and species; German version EN 1912:2004/prA2:2007
  • 10/30229277 DC BS EN 1912. Structural timber. Strength classes. Assignment of visual grades and species
  • AENOR UNE-EN 1529:2000 Doors leaves - Height, width, thickness and squareness - Tolerance classes
  • DANSK DS/EN 1529:2000 Door leaves – Height, width, thickness and squareness – Tolerance classes
  • NS-EN 1529:2021 Door leaves - Height, width, thickness and squareness - Tolerance classes
  • DIN EN 338 E:2013 Draft Document - Structural timber - Strength classes; German version prEN 338:2013
  • NS-EN 1529:1999 Doors leaves - Height, width, thickness and squareness - Tolerance classes
  • ASD-STAN prEN 2811:1970 Nuts, hexagon, slotted/castellated in steel cadmium plated - Classification : 1100 MPa/235 deg C
  • BS ISO 817:2014+A1:2017 Refrigerants. Designation and safety classification
  • JIS B 6403:2020 Hydraulic presses -- Testing of the grades and the accuracy
  • 08/30159958 DC BS EN 338. Structural timber. Strength classes

Lithuanian Standards Office

  • LST EN 1912-2012 Structural Timber - Strength classes - Assignment of visual grades and species
  • LST EN 338-2010 Structural timber - Strength classes
  • LST EN 1529-2002 Doors leaves - Height, width, thickness and squareness - Tolerance classes

Standard Association of Australia (SAA)

  • AS 2878:1986 Timber - Classification into strength groups
  • AS O89:1973 1600f stress grade structural plywood and 1.55E stiffness grade structural plywood
  • AS B161:1960 Charts for approximate comparison of hardness scales for steels

DIN

  • DIN EN 1912:2024 Structural Timber - Strength classes - Assignment of visual grades and species; German version EN 1912:2024

GOST

NEMA - National Electrical Manufacturers Association

International Organization for Standardization (ISO)

  • ISO 7412:1984 Hexagon bolts for high-strength structural bolting with large width across flats (short thread length); Product grade C; Property classes 8.8 and 10.9
  • ISO 4775:1984 Hexagon nuts for high-strength structural bolting with large width across flats; Product grade B; Property classes 8 and 10
  • ISO 7411:1984 Hexagon bolts for high-strength structural bolting with large width across flats (thread lengths according to ISO 888); Product grade C; Property classes 8.8 and 10.9
  • ISO 2349:1973 Rolling bearings — Tapered roller bearings — Sub-units — Tolerances — Metric series, normal tolerance class and tolerance class 6 — Inch series, tolerance class 4 (normal tolerance class)
  • ISO 226:2003 Acoustics - Normal equal-loudness-level contours

U.S. Air-Conditioning, Heating, and Refrigeration Institute (US-AHRI)

  • ARI 530-2005 Rating of Sound and Vibration of Refrigerant Compressors

National Electrical Manufacturers Association(NEMA)

AT-ON

Society of Automotive Engineers (SAE)

GOSTR

GSO

US-CFR-file

  • CFR 45-155.1400-2014 Public Welfare. Part155:Exchange establishment standards and other related standards under the Affordable Care Act. Section155.1400:Quality rating system.

CZ-CSN

GM North America

American National Standards Institute (ANSI)

SE-SIS

VN-TCVN

South African Bureau of Standard

  • SANS 5870:2008 Hardness of vulcanized rubbers of hardness 30-95 IRH degrees

PL-PKN

Hierarchy