Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

Atmospheric heavy metal detection

Atmospheric heavy metal detection, Total:194 items.

The international standard classification for "Atmospheric heavy metal detection" includes: Cement. Gypsum. Lime. Mortar , Control equipment for electric power systems , Other mining equipment , Haulage and hoisting equipment , Corrosion of metals , Chemical analysis of metals , Textiles in general , Ferrous metals , Construction materials .

The Chinese standard classification for "Atmospheric heavy metal detection" includes: Cement , High voltage switchgear , Mining machinery equipment in general , Metal chemical property test method , Metal physical property test method , Basic standards and general methods , Decorative material .


Shandong Provincial Standard of the People's Republic of China

  • DB37/T 2387-2013 Safety inspection and inspection catalog of equipment and facilities with high risk in use in metal and nonmetal mines
  • DB37/T 2482-2014 Specifications for safety inspection and inspection of air compressors in use in metal and non-metal mines in Shandong Province
  • DB37/T 2386-2013 General requirements for metal and non-metal mine safety production inspection and inspection report
  • DB37/ 1695-2010 Management specifications for daily inspection and periodic inspection of hoisting systems in metal and nonmetal mines

Hebei Provincial Standard of the People's Republic of China

  • DB13/T 2807-2018 Specification for inspection and inspection of special equipment for metal and nonmetal underground mines
  • DB13/T 2520-2017 Safety inspection and inspection catalog of equipment and facilities with high risk in use in metal and nonmetal mines
  • DB13/T 2259-2015 Identification and classification of major hazard sources in metal and nonmetal underground mines

Professional Standard - Agriculture

Group Standards of the People's Republic of China

  • T/YNBX 081-2023 Rapid determination of heavy metals in soil from agricultural production areas by x-ray fluorescence spectrometry
  • T/JMZJXH 015-2023 Detection method for heavy metals and specific substance content in biodegradable tapes
  • T/QGCML 2190-2023 Metal hose detection device
  • T/CSCP 0009-2017 Corrosion test of metal materials exposed to atmospheric environment
  • T/CCAS 019-2021 Determination of heavy metals in cement and clinker―ICP-OES method
  • T/CSCP 0020-2017 Atmospheric Corrosion Test of Dissimilar Metal Couplings
  • T/LNEMA 015-2024 Portable Heavy Metal Rapid Detector Detection Method and Technical Specifications
  • T/CGMA 041010-2020 Safety evaluation and detection method of heavy metal indicators for drinking water valves
  • T/SZAEM 0001-2021 Dectecting specification for leaching toxicity of heavy metal on municipal solid waste incineration

Henan Provincial Standard of the People's Republic of China

  • DB41/T 1644-2018 Inspection Rules for Cranes Lifting Molten Metal
  • DB41/ 771-2012 Specifications for safety inspection and inspection of air compressors in use in metal and nonmetal mines
  • DB41/ 770-2012 Specifications for daily inspection and periodic inspection of hoisting systems in metal and nonmetal mines

Sichuan Provincial Standard of the People's Republic of China

  • DB51/ 1177-2010 Specifications for safety inspection and inspection of in-service air compressors in metal and nonmetal underground mines

Professional Standard-Safe Production

  • AQ/T 2075-2019 Safety testing-inspecting directory of in-service equipment and facilities for metal and nonmetal mines
  • AQ 2022-2008 Sfety inspecting-testing specification of in-service hoisting winder for metal and nonmetal mines
  • AQ/T 2073-2019 Electrical safety testing-inspecting specification of in-service high-voltage switchgear for metal and nonmetal mines

Taiwan Provincial Standard of the People's Republic of China

  • CNS 13754-1996 Corrosion of Metals and Alloys-Corrosivity of Atmospheres-Measurement of Pollution
  • CNS 14123-2006 Metals and alloys - Atmospheric corrosion testing - General requirements for field tests
  • CNS 13128-1992 Standard Practice for Atmospheric Environmental Exposure testing of nonmetallic Materials
  • CNS 14123-1998 Metals and alloys-Atmospheric corrosion testing-General requirements for field tests
  • CNS 13401-1994 Corrosion of metals and Alloys - Corrosivity of Atomospheres - Classification

Heilongjiang Provincial Standard of the People's Republic of China

  • DB23/T 1450-2011 Specifications for the construction of major hazard monitoring and early warning systems for metal and nonmetal underground mines and tailings ponds

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

  • GB/T 24516.1-2009 Corrosion of metals and alloys—Atmospheric corrosion—Determination of meteorologic factors
  • GB/T 19292.3-2003 Corrosion of metals and alloys—Corrosivity of atmospheres—Measurement of pollution
  • GB/T 17593-1998 Textiles--Test method of heavy metal ions--Atomic absorption spectrophotometry
  • GB/T 24513.2-2010 Corrosion of metals and alloys—Classification of low corrosivity of indoor atmospheres—Part 2:Determination of corrosion attack in indoor atmospheres
  • GB/T 14165-1993 Ferrous metals--Test method of atmospheric exposure
  • GB/T 19292.1-2003 Corrosion of metals and alloys - Corrosivity of atmospheres - Classification
  • GB/T 11112-1989 Non-ferrous metals atmospheric corrosion testing method

National Metrological Technical Specifications of the People's Republic of China

  • JJF 2037-2023 Calibration Specification for Portable Stripping Voltammetry Heavy Metal Detectors

交通运输部

  • JT/T 1074-2016 Specifications for crack detection and maintenance of metal structures of port cranes

Professional Standard - Commodity Inspection

  • SN/T 1903-2007 Inspection specification for heavy metals in import and export textile
  • SN/T 3553-2013 Codes of heavy metal and pesticide residues test for ballast water on international ships

Anhui Provincial Standard of the People's Republic of China

  • DB34/T 3195-2018 Testing rules for the four metal parts of generators in thermal power plants

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 19292.3-2018 Corrosion of metals and alloys—Corrosivity of atmospheres—Part 3:Measurement of environmental parameters affecting corrosivity of atmospheres
  • GB/T 41058-2021 Methods for detecting heavy metals in sludge and contaminated soil for cement kiln coprocessing
  • GB/T 38213-2019 Corrosion of metals and alloys—Procedures to determine and estimate runoff rates of metals from materials as a result of atmospheric corrosion

未注明发布机构

  • GJB 1580A-2019 Deformed metal ultrasonic testing
  • ASTM RR-B09-1027 2020 B0923-Test Method for Metal Powder Skeletal Density by Helium or Nitrogen Pycnometry
  • DIN EN ISO 11844-2 E:2018-12 Corrosion of metals and alloys Classification of low corrosivity in indoor atmospheres Part 2: Determination of corrosion and attack in indoor atmospheres (draft)
  • NACE TM0416-2023 Corrosion of metals and alloys — Electrochemical measurements — Test method for monitoring atmospheric corrosion

Professional Standard - Building Materials

  • JC/T 2229-2014 Method for atmospheric corrosion tests on metal and metal-composite product on architecture

HU-MSZT

  • MSZ 21880/6-1981 Chemical examination of atmospheric precipitation, determination of sodium and potassium metal content
  • MSZ 9279/4-1979 Fine chemicals testing methods. Heavy metal pollution detection
  • MSZ 6129-1971 Large metal cutting machinery. Independent and accurate detection
  • MSZ 9698/2.lap-1961 Vegetable detection shape; size; weight detection
  • MSZ 9697-4.lap-1960 Fruit detection shape; size; weight detection
  • MSZ 19738-1968 Professional terminology and detection of heat treatment of light and heavy metals
  • MSZ 6120-1972 Large metal cutting machinery. Precise inspection of long machines
  • MI 4300/4-1981 Metal welding concept detection shielded gas welding
  • MSZ 16050/4.lap-1969 Definition of element content greater than 2% in comprehensive testing of metal equipment
  • MSZ 5999/1-1972 Metal and casting technology testing. Metal wire quality inspection
  • MSZ 4929-1976 Metal curl detection
  • MSZ 6121-1972 Large metal cutting machinery. Accuracy check
  • MSZ 18097/2-1984 Detection of metals, alloys, metallic and non-metallic organic coatings. Anticorrosive testing in salt spray (ASS method)
  • MSZ 18097/1-1984 Detection of metals, alloys, metallic and non-metallic organic coatings. Anticorrosive testing in salt spray (NSS method)
  • MSZ 18097/3-1984 Detection of metals, alloys, metallic and non-metallic organic coatings Anti-corrosion testing in acid mist (CASS method)
  • MSZ 8888/22-1970 environmental test. Atmospheric space effect detection
  • MSZ 5999/2.lap-1963 Steel and metal technology testing. Test line
  • MSZ 15432-1970 Metal powder detection method
  • MSZ 5772-1964 Steel and metal technology testing. Comprehensive testing
  • MSZ 15435-1971 Metal powder detection method
  • MSZ MI 4300/5-1981 MI 4300/5-81 Metal welding concept inspection. Shielded gas welding
  • MSZ 16572-1971 University Grade 10 Publication 671/673 Related to Precious Metals, Jewelry and Other Metallic Objects (FID Publ. No. 390)
  • MSZ 5731-1968 Technical testing of steel and metals. Disk and Column Inspection

International Organization for Standardization (ISO)

  • ISO 9223:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Classification, determination and estimation
  • ISO 9225:1992 Corrosion of metals and alloys; corrosivity of atmospheres; measurement of pollution
  • ISO 9225:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Measurement of environmental parameters affecting corrosivity of atmospheres
  • ISO 22858:2020 Corrosion of metals and alloys — Electrochemical measurements — Test method for monitoring atmospheric corrosion
  • ISO 9223:1992 Corrosion of metals and alloys; corrosivity of atmospheres; classification
  • ISO 8565:2011 Metals and alloys - Atmospheric corrosion testing - General requirements

CZ-CSN

  • CSN 03 8204-1978 Determination of the aggressivity of atmospheres for metals and metallic coatings
  • CSN ISO 9225:1994 Corrosion of metals and alloys.Corrosivity of atmospheres.Measurement of pollution
  • CSN 03 8110-1984 Protection against corrosion Metals, alloys, metallic and non-metallic inorganic coatings Methods of atmospheric corrosion field tests
  • CSN 68 4121-1979 Determination of heavy metals mpurities
  • CSN 02 8315-1974 Metal exhaust hoses to 300 °C
  • CSN 02 8317-1974 Metal exhaust hoses to 60 °C
  • CSN 03 8203-1979 Corrosion of metals. Corrosion aggressivity of atmosphere. Classifioation

German Institute for Standardization

  • DIN EN ISO 8565:2011-09 Metals and alloys - Atmospheric corrosion testing - General requirements (ISO 8565:2011); German version EN ISO 8565:2011
  • DIN EN ISO 9225:2012-05 Corrosion of metals and alloys - Corrosivity of atmospheres - Measurement of environmental parameters affecting corrosivity of atmospheres (ISO 9225:2012); German version EN ISO 9225:2012
  • DIN EN ISO 7441:2015-04 Corrosion of metals and alloys - Determination of bimetallic corrosion in atmospheric exposure corrosion tests (ISO 7441:2015); German version EN ISO 7441:2015
  • DIN EN ISO 9223:2012-05 Corrosion of metals and alloys - Corrosivity of atmospheres - Classification, determination and estimation (ISO 9223:2012); German version EN ISO 9223:2012
  • DIN EN ISO 11844-2:2020-09 Corrosion of metals and alloys - Classification of low corrosivity of indoor atmospheres - Part 2: Determination of corrosion attack in indoor atmospheres (ISO 11844-2:2020); German version EN ISO 11844-2:2020

Korean Agency for Technology and Standards (KATS)

  • KS D ISO 8565:2018 Metals and alloys — Atmospheric corrosion testing — General requirements
  • KS D ISO 7441:2018 Corrosion of metals and alloys — Determination of bimetallic corrosion in atmospheric exposure corrosion tests
  • KS B 5217-2020 Bimetallic thermometers for atmospheric temperature
  • KS D ISO 7441-2023 Corrosion of metals and alloys — Determination of bimetallic corrosion in atmospheric exposure corrosion tests
  • KS D ISO 9225-2023 Corrosion of metals and alloys — Corrosivity of atmospheres — Measurement of environmental parameters affecting corrosivity of atmospheres
  • KS D ISO 9225:2003 Corrosion of metals and alloys-Corrosivity of atmospheres-Measurement of pollution
  • KS D ISO 9223:2020 Corrosion of metals and alloys — Corrosivity of atmospheres —Classification, determination and estimation
  • KS D ISO 8565-2023 Metals and alloys — Atmospheric corrosion testing — General requirements
  • KS D ISO 9223:2003 Corrosion of metals and alloys-Corrosivity of atmospheres-Classification
  • KS D ISO 9223:2015 Corrosion of metals and alloys-Corrosivity of atmospheres-Classification
  • KS M 1426-2004 Testing methods for heavy metal extraction from media

KR-KS

  • KS D ISO 8565-2018 Metals and alloys — Atmospheric corrosion testing — General requirements
  • KS D ISO 9225-2018(2023) Corrosion of metals and alloys — Corrosivity of atmospheres — Measurement of environmental parameters affecting corrosivity of atmospheres
  • KS D ISO 7441-2018 Corrosion of metals and alloys — Determination of bimetallic corrosion in atmospheric exposure corrosion tests
  • KS D ISO 7441-2018(2023) Corrosion of metals and alloys — Determination of bimetallic corrosion in atmospheric exposure corrosion tests
  • KS D ISO 9223-2020 Corrosion of metals and alloys — Corrosivity of atmospheres —Classification, determination and estimation
  • KS D ISO 8565-2018(2023) Metals and alloys — Atmospheric corrosion testing — General requirements

GSO

  • GSO ISO 7441:2015 Corrosion of metals and alloys -- Determination of bimetallic corrosion in atmospheric exposure corrosion tests
  • OS GSO ISO 7441:2015 Corrosion of metals and alloys -- Determination of bimetallic corrosion in atmospheric exposure corrosion tests
  • GSO ISO 9223:2015 Corrosion of metals and alloys -- Corrosivity of atmospheres -- Classification, determination and estimation
  • OS GSO ISO 11844-2:2013 Corrosion of metals and alloys -- Classification of low corrosivity of indoor atmospheres -- Part 2: Determination of corrosion attack in indoor atmospheres
  • OS GSO ISO 8565:2015 Metals and alloys -- Atmospheric corrosion testing -- General requirements

YU-JUS

SCC

  • BS EN ISO 11844-2:2008 Corrosion of metals and alloys. Classification of low corrosivity of indoor atmospheres-Determination of corrosion attack in indoor atmospheres
  • BS EN ISO 8565:1995 Metals and alloys. Atmospheric corrosion testing. General requirements for field tests
  • NS-EN ISO 8565:2011 Metals and alloys — Atmospheric corrosion testing — General requirements (ISO 8565:2011)
  • DANSK DS/EN ISO 7441:2015 Corrosion of metals and alloys - Determination of bimetallic corrosion in atmospheric exposure corrosion tests
  • DANSK DS/EN ISO 9225:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Measurement of environmental parameters affecting corrosivity of atmospheres
  • BS ISO 11844-2:2005 Corrosion of metals and alloys. Classification of low corrosivity of indoor atmospheres. Determination of corrosion attack in indoor atmospheres
  • UNE-EN 13890:2003 Workplace atmospheres - Procedures for measuring metals and metalloids in airborne particles - Requirements and test methods.
  • AENOR UNE-EN ISO 7441:2015 Corrosion of metals and alloys. Determination of bimetallic corrosion through atmospheric corrosion exposure tests. (ISO 7441:2015).
  • NS-EN ISO 7441:2015 Corrosion of metals and alloys — Determination of bimetallic corrosion in atmospheric exposure corrosion tests (ISO 7441:2015)
  • NS-EN ISO 9225:2012 Corrosion of metals and alloys — Corrosivity of atmospheres — Measurement of environmental parameters affecting corrosivity of atmospheres (ISO 9225:2012)
  • DANSK DS/EN ISO 8565:2011 Metals and alloys - Atmospheric corrosion testing - General requirements
  • DIN EN ISO 8565 E:2009 Draft Document - Metals and alloys - Atmospheric corrosion testing - General requirements (ISO/DIS 8565:2009); German version prEN ISO 8565:2009
  • DANSK DS/EN ISO 9223:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Classification, determination and estimation
  • DANSK DS/ISO 11844-2:2020 Corrosion of metals and alloys – Classification of low corrosivity of indoor atmospheres – Part 2: Determination of corrosion attack in indoor atmospheres
  • 09/30209293 DC BS ISO 9225. Corrosion of metals and alloys. Corrosivity of atmospheres. Measurement of environmental parameters affecting corrosivity of atmospheres
  • DANSK DS/ISO 22858:2020 Corrosion of metals and alloys – Electrochemical measurements – Test method for monitoring atmospheric corrosion
  • VDI/VDE 2616 BLATT 1-2012 Hardness testing of metallic materials
  • AS 3515.3:1995 Gold and gold bearing alloys - Determination of gold content (greater than 99.5 percent) - Gravimetric method
  • DIN EN ISO 9225 E:2011 Draft Document - Corrosion of metals and alloys - Corrosivity of atmospheres - Measurement of environmental parameters affecting corrosivity of atmospheres (ISO/FDIS 9225:2011); German version FprEN ISO 9225:2011

CH-SNV

  • SNV 81126-1958 Non-ferrous heavy metal cast iron alloy. Material inspection, test rods

Association Francaise de Normalisation

  • NF A05-212*NF EN ISO 9225:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Measurement of environmental parameters affecting corrosivity of atmospheres
  • NF X43-007:1973 Measurement of atmospheric fall-out by means of metal plaquettes.
  • NF A05-308*NF EN ISO 7441:2015 Corrosion of metals and alloys - Determination of bimetallic corrosion in atmopheric exposure corrosion tests
  • NF A05-210*NF EN ISO 9223:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Classification, determination and estimation.
  • NF EN 24003:1993 Permeable sintered metal materials - Determination of pore size - Bulloscopic method
  • NF E29-731:1989 Gas containers. Non refillable, metallic gas cylinders. Construction. Tests.
  • NF A05-402*NF EN ISO 8565:2012 Metals and alloys - Atmospheric corrosion testing - General requirements
  • NF A05-307-2*NF EN ISO 11844-2:2020 Corrosion of metals and alloys - Classification of low corrosivity of indoor atmospheres - Part 2 : determination of corrosion attack in indoor atmospheres
  • FD ISO/TR 17276:2014 Cosmetics - Analytical approach to detection and quantification methods for heavy metals in cosmetics

British Standards Institution (BSI)

  • BS EN ISO 11844-2:2020 Corrosion of metals and alloys. Classification of low corrosivity of indoor atmospheres - Determination of corrosion attack in indoor atmospheres
  • BS EN ISO 7441:2015 Corrosion of metals and alloys. Determination of bimetallic corrosion in atmospheric exposure corrosion tests
  • BS EN ISO 9225:2012 Corrosion of metals and Alloys. Corrosivity of Atmospheres. Measurement of environmental parameters affecting corrosivity of atmospheres
  • BS EN 1904:2000 Precious metals - The finenesses of solders used with precious metal jewellery alloys
  • BS EN ISO 9223:2012 Corrosion of metals and alloys. Corrosivity of atmospheres. Classification, determination and estimation
  • BS EN ISO 8565:2011 Metals and alloys. Atmospheric corrosion testing. General requirements
  • BS ISO 22858:2020 Corrosion of metals and alloys. Electrochemical measurements. Test method for monitoring atmospheric corrosion

ES-UNE

  • UNE-EN ISO 7441:2015 Corrosion of metals and alloys - Determination of bimetallic corrosion in atmospheric exposure corrosion tests (ISO 7441:2015)
  • UNE-EN ISO 9225:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Measurement of environmental parameters affecting corrosivity of atmospheres (ISO 9225:2012) (Endorsed by AENOR in March of 2012.)
  • UNE-EN ISO 9223:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Classification, determination and estimation (ISO 9223:2012) (Endorsed by AENOR in March of 2012.)
  • UNE-EN ISO 11844-2:2020 Corrosion of metals and alloys - Classification of low corrosivity of indoor atmospheres - Part 2: Determination of corrosion attack in indoor atmospheres (ISO 11844-2:2020)

European Committee for Standardization (CEN)

  • EN ISO 9225:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Measurement of environmental parameters affecting corrosivity of atmospheres (ISO 9225:2012)
  • EN ISO 9223:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Classification, determination and estimation (ISO 9223:2012)
  • EN ISO 7441:2015 Corrosion of metals and alloys - Determination of bimetallic corrosion in atmospheric exposure corrosion tests
  • EN ISO 8565:2011 Metals and alloys - Atmospheric corrosion testing - General requirements (ISO 8565:2011)
  • EN 1904:2000 Precious metals - The finenesses of solders used with precious metal jewellery alloys

GOST

  • GOST ISO 9225-2022 Corrosion of metals and alloys. Corrosivity of atmospheres. Measurement of environmental parameters affecting corrosivity of atmospheres

VN-TCVN

  • TCVN 7209-2002 Soil quality.Maximum allowable limits of heavy metals in the soil
  • TCVN 5337-1991 Metallic corrosion.Atmosferical errosion properdes.Clasification

American Society for Testing and Materials (ASTM)

  • ASTM G33-99 Standard Practice for Recording Data from Atmospheric Corrosion Tests of Metallic-Coated Steel Specimens
  • ASTM G33-99(2010) Standard Practice for Recording Data from Atmospheric Corrosion Tests of Metallic-Coated Steel Specimens
  • ASTM G33-99(2004) Standard Practice for Recording Data from Atmospheric Corrosion Tests of Metallic-Coated Steel Specimens
  • ASTM G50-76(2003) Standard Practice for Conducting Atmospheric Corrosion Tests on Metals
  • ASTM G7-97 Standard Practice for Atmospheric Environmental Exposure Testing of Nonmetallic Materials

Danish Standards Foundation

  • DS/EN ISO 9225:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Measurement of environmental parameters affecting corrosivity of atmospheres
  • DS/EN ISO 8565:2011 Metals and alloys - Atmospheric corrosion testing - General requirements
  • DS/EN ISO 9223:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Classification, determination and estimation
  • DS/EN ISO 11844-2:2008 Corrosion of metals and alloys - Classification of low corrosivity of indoor atmospheres - Part 2: Determination of corrosion attack in indoor atmospheres

RO-ASRO

CU-NC

  • NC 26-174-1987 Drugs. Determination of Heavy Metals. Testing Methods

Lithuanian Standards Office

  • LST EN ISO 9225:2012 Corrosion of metals and alloys - Corrosivity of atmospheres - Measurement of environmental parameters affecting corrosivity of atmospheres (ISO 9225:2012)

ET-QSAE

American National Standards Institute (ANSI)

RU-GOST R

GOSTR

FI-SFS

Association of German Mechanical Engineers