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?? 74??? ??? ??? ??? ??.
?? ???? ??? ??? ??? ??? ????: ?? ??, ?? ? ?? ??, ?? ? ?? ??, ?? ??, ???, ?????, ??? ??, ?? ?? ???, ?? ?? ? ??, ?? ??, ??????, ?? ??, ???, ???, ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??
Professional Standard - Education, ??
Professional Standard - Machinery, ??
National Metrological Verification Regulations of the People's Republic of China, ??
Group Standards of the People's Republic of China, ??
British Standards Institution (BSI), ??
International Organization for Standardization (ISO), ??
GSO, ??
Shanghai Provincial Standard of the People's Republic of China, ??
國家市場監督管理總局、中國國家標準化管理委員會, ??
Korean Agency for Technology and Standards (KATS), ??
KR-KS, ??
工業和信息化部, ??
American Society for Testing and Materials (ASTM), ??
中華人民共和國國家質量監督檢驗檢疫總局、中國國家標準化管理委員會, ??
SCC, ??
Danish Standards Foundation, ??
PH-BPS, ??
Association Francaise de Normalisation, ??
European Committee for Standardization (CEN), ??
Spanish Association for Standardization (UNE), ??