ZH
EN
JP
ES
RU
DE?? ??
?? 25??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ?? ? ?? ??, ?? ??, ????, ??, ?? ??? ? ??? ???? ??, ?? ??.
Professional Standard - Agriculture, ?? ??
Professional Standard - Education, ?? ??
National Metrological Verification Regulations of the People's Republic of China, ?? ??
Professional Standard - Machinery, ?? ??
Association Francaise de Normalisation, ?? ??
Korean Agency for Technology and Standards (KATS), ?? ??
National Metrological Technical Specifications of the People's Republic of China, ?? ??
American Society for Testing and Materials (ASTM), ?? ??
IN-BIS, ?? ??
Spanish Association for Standardization (UNE), ?? ??
Shandong Provincial Standard of the People's Republic of China, ?? ??
GCC Standardization Organization, ?? ??
International Organization for Standardization (ISO), ?? ??
Kingdom of Bahrain Testing and Metrology Directorate, ?? ??
British Standards Institution (BSI), ?? ??