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DE?? ??? ??? ?? ??
?? 33??? ?? ??? ??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ?? ??? ??? ??? ??? ????: ?? ? ?? ??, ??, ??? ??, ?? ?? ???, ??????, ?? ??, ?? ??, ???? ?? ??, ??, ??, ?? ? ?? ??, ?, ??, ?? ??, ?? ?? ??? ? ??, ???, ??.
German Institute for Standardization, ?? ??? ??? ?? ??
International Organization for Standardization (ISO), ?? ??? ??? ?? ??
Korean Agency for Technology and Standards (KATS), ?? ??? ??? ?? ??
National Metrological Technical Specifications of the People's Republic of China, ?? ??? ??? ?? ??
GSO, ?? ??? ??? ?? ??
AENOR, ?? ??? ??? ?? ??
Japanese Industrial Standards Committee (JISC), ?? ??? ??? ?? ??
American Society for Testing and Materials (ASTM), ?? ??? ??? ?? ??
SCC, ?? ??? ??? ?? ??
RU-GOST R, ?? ??? ??? ?? ??
Professional Standard - Electricity, ?? ??? ??? ?? ??
KR-KS, ?? ??? ??? ?? ??
API - American Petroleum Institute, ?? ??? ??? ?? ??
Standard Association of Australia （SAA）, ?? ??? ??? ?? ??
Group Standards of the People's Republic of China, ?? ??? ??? ?? ??
British Standards Institution (BSI), ?? ??? ??? ?? ??
PH-BPS, ?? ??? ??? ?? ??