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DE?? ??
?? 55??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ??, ??? ??, ?? ??, ????, ???, ??, ????, ?????, ?? ?? ???, ???, ????, ?? ??, ????.
Professional Standard - Petrochemical Industry, ?? ??
South African Bureau of Standard, ?? ??
Professional Standard - Electron, ?? ??
Professional Standard - Chemical Industry, ?? ??
RO-ASRO, ?? ??
Korean Agency for Technology and Standards (KATS), ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??
國家市場監(jiān)督管理總局、中國國家標準化管理委員會, ?? ??
CZ-CSN, ?? ??
Professional Standard - Non-ferrous Metal, ?? ??
Professional Standard - Aviation, ?? ??
Tianjin Provincial Standard of the People's Republic of China, ?? ??
NL-NEN, ?? ??
Japanese Industrial Standards Committee (JISC), ?? ??
RU-GOST R, ?? ??
BELST, ?? ??
American Society for Testing and Materials (ASTM), ?? ??
Xinjiang Provincial Standard of the People's Republic of China, ?? ??
Professional Standard - Commodity Inspection, ?? ??
TR-TSE, ?? ??
International Organization for Standardization (ISO), ?? ??
Association Francaise de Normalisation, ?? ??
GSO, ?? ??
BE-NBN, ?? ??
Professional Standard - Agriculture, ?? ??
VN-TCVN, ?? ??