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RU-GOST R, ?? X? ???

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

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

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

Professional Standard - Agriculture, ?? X? ???

PT-IPQ, ?? X? ???

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

工業(yè)和信息化部, ?? X? ???

Occupational Health Standard of the People's Republic of China, ?? X? ???

GSO, ?? X? ???

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

國(guó)家市場(chǎng)監(jiān)督管理總局、中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì), ?? X? ???

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

American National Standards Institute (ANSI), ?? X? ???

未注明發(fā)布機(jī)構(gòu), ?? X? ???

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

SCC, ?? X? ???

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

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





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