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DE??? ?? ? ??
?? 62??? ??? ?? ? ??? ??? ??? ??.
?? ???? ??? ?? ? ??? ??? ??? ??? ????: ???, ??, ???, ???, ?? ??, ???, ??, ?? ??, ??? ??, ??, ??? ???? ?? ? ??.
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, ??? ?? ? ??