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DEX? ?? ?? ??
?? 54??? X? ?? ?? ??? ??? ??? ??.
?? ???? X? ?? ?? ??? ??? ??? ??? ????: ?? ??, ????, ????, ???, ?????, ?? ??, ?? ? ?? ??, ???, ????, ?? ?? ???, ????, ????, ?? ??, ??? ??, ??, ??? ??.
PT-IPQ, X? ?? ?? ??
Korean Agency for Technology and Standards (KATS), X? ?? ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, X? ?? ?? ??
Association Francaise de Normalisation, X? ?? ?? ??
工業(yè)和信息化部, X? ?? ?? ??
Professional Standard - Ferrous Metallurgy, X? ?? ?? ??
American National Standards Institute （ANSI), 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 - Machinery, X? ?? ?? ??
Professional Standard - Agriculture, X? ?? ?? ??
Professional Standard - Education, X? ?? ?? ??
水利部, X? ?? ?? ??
Occupational Health Standard of the People's Republic of China, X? ?? ?? ??
Professional Standard - Electricity, X? ?? ?? ??
German Institute for Standardization, X? ?? ?? ??
SCC, X? ?? ?? ??
GSO, X? ?? ?? ??
Professional Standard - Energy, X? ?? ?? ??
Professional Standard - Petroleum, X? ?? ?? ??
British Standards Institution (BSI), X? ?? ?? ??
European Committee for Standardization (CEN), X? ?? ?? ??
American Society for Testing and Materials (ASTM), X? ?? ?? ??
RU-GOST R, X? ?? ?? ??
Spanish Association for Standardization (UNE), X? ?? ?? ??
Lithuanian Standards Office , X? ?? ?? ??
Danish Standards Foundation, X? ?? ?? ??
Universal Oil Products Company?(UOP), X? ?? ?? ??