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DEx ?? ???
?? 40??? x ?? ???? ??? ??? ??.
?? ???? x ?? ???? ??? ??? ??? ????: ?? ??, ?? ??, ?? ?? ???, ?? ??, ???, ??? ??, ?? ? ?? ??, ????, ?????.
National Metrological Verification Regulations of the People's Republic of China, x ?? ???
Japanese Industrial Standards Committee (JISC), x ?? ???
國家市場監(jiān)督管理總局、中國國家標準化管理委員會, x ?? ???
Professional Standard - Education, x ?? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, x ?? ???
British Standards Institution (BSI), x ?? ???
Professional Standard - Machinery, x ?? ???
SCC, x ?? ???
European Committee for Standardization (CEN), x ?? ???
Danish Standards Foundation, x ?? ???
AENOR, x ?? ???
German Institute for Standardization, x ?? ???
Association Francaise de Normalisation, x ?? ???
Lithuanian Standards Office , x ?? ???
中華人民共和國國家質(zhì)量監(jiān)督檢驗檢疫總局、中國國家標準化管理委員會, x ?? ???
工業(yè)和信息化部, x ?? ???
Professional Standard - Ferrous Metallurgy, x ?? ???
National Metrological Technical Specifications of the People's Republic of China, x ?? ???
Professional Standard - Nuclear Industry, x ?? ???
IT-UNI, x ?? ???