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

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

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

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

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

GSO, ??? ?? ? ??

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

GOSTR, ??? ?? ? ??

American Welding Society (AWS), ??? ?? ? ??

WRC - Welding Research Council, ??? ?? ? ??

未注明發(fā)布機構(gòu), ??? ?? ? ??

SE-SIS, ??? ?? ? ??

CZ-CSN, ??? ?? ? ??

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

SCC, ??? ?? ? ??

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

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

CO-ICONTEC, ??? ?? ? ??

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

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

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

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

ES-UNE, ??? ?? ? ??

Professional Standard - Building Materials, ??? ?? ? ??

CU-NC, ??? ?? ? ??





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