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DE?? ??? ?? ???
?? 55??? ?? ??? ?? ???? ??? ??? ??.
?? ???? ?? ??? ?? ???? ??? ??? ??? ????: ?? ??, ?? ??, ???, ?? ??, ?? ? ?? ??, ????? ???, ?? ? ?? ??, ??, ?? ?? ? ?? ??? ??, ??, ?? ?? ??, ??, ?? ?? ???, ?? ? ??, ?? ?? ??.
British Standards Institution (BSI), ?? ??? ?? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??? ?? ???
SCC, ?? ??? ?? ???
Korean Agency for Technology and Standards (KATS), ?? ??? ?? ???
German Institute for Standardization, ?? ??? ?? ???
International Organization for Standardization (ISO), ?? ??? ?? ???
Group Standards of the People's Republic of China, ?? ??? ?? ???
工業和信息化部, ?? ??? ?? ???
European Committee for Standardization (CEN), ?? ??? ?? ???
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, ?? ??? ?? ???
National Metrological Technical Specifications of the People's Republic of China, ?? ??? ?? ???
GSO, ?? ??? ?? ???
Danish Standards Foundation, ?? ??? ?? ???
American Society for Testing and Materials (ASTM), ?? ??? ?? ???
Engineering Equipment and Materials Users Association （EEMUA), ?? ??? ?? ???
International Electrotechnical Commission (IEC), ?? ??? ?? ???
EEMUA - Engineering Equipment and Materials Users Association, ?? ??? ?? ???
Professional Standard - Petrochemical Industry, ?? ??? ?? ???
Taiwan 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, ?? ??? ?? ???
VDI - Verein Deutscher Ingenieure, ?? ??? ?? ???
Spanish Association for Standardization (UNE), ?? ??? ?? ???