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National Metrological Verification Regulations of the People's Republic of China, ??? ?? ?? ???

American Society for Testing and Materials (ASTM), ??? ?? ?? ???

British Standards Institution (BSI), ??? ?? ?? ???

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

Japanese Industrial Standards Committee (JISC), ??? ?? ?? ???

Professional Standard - Energy, ??? ?? ?? ???

Danish Standards Foundation, ??? ?? ?? ???

Korean Agency for Technology and Standards (KATS), ??? ?? ?? ???

Kingdom of Bahrain Testing and Metrology Directorate, ??? ?? ?? ???

German Institute for Standardization, ??? ?? ?? ???

Professional Standard - Petrochemical Industry, ??? ?? ?? ???

The Directorate General of Specifications and Metrology (DGSM) , ??? ?? ?? ???

GCC Standardization Organization, ??? ?? ?? ???

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

International Organization for Standardization (ISO), ??? ?? ?? ???

Universal Oil Products Company?(UOP), ??? ?? ?? ???

Group Standards of the People's Republic of China, ??? ?? ?? ???

Swedish Institute for Standards, ??? ?? ?? ???

Bureau of Indian Standards, ??? ?? ?? ???

Professional Standard - Customs, ??? ?? ?? ???

Heilongjiang Provincial Standard of the People's Republic of China, ??? ?? ?? ???

Standard Association of Australia (SAA), ??? ?? ?? ???

GOST, ??? ?? ?? ???

Professional Standard - Ferrous Metallurgy, ??? ?? ?? ???

Guangdong Provincial Standard of the People's Republic of China, ??? ?? ?? ???

Professional Standard - Machinery, ??? ?? ?? ???

Gosstandart of Russia, ??? ?? ?? ???

CEN - European Committee for Standardization, ??? ?? ?? ???

European Committee for Standardization (CEN), ??? ?? ?? ???

Association Francaise de Normalisation, ??? ?? ?? ???

Ente Nazionale Italiano di Unificazione, ??? ?? ?? ???

Spanish Association for Standardization (UNE), ??? ?? ?? ???

Association of German Mechanical Engineers, ??? ?? ?? ???

American Water Works Association (AWWA), ??? ?? ?? ???

Professional Standard - Non-ferrous Metal, ??? ?? ?? ???

  • YS/T 617.7-2007 ????, ???? ? ? ?? ??? ???, ??? ?? ?? ?? 7?: ?? ?? ?? ?? ??? ??/?? ??

Professional Standard - Nuclear Industry, ??? ?? ?? ???





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