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DE?? ??????? ??
?? 21??? ?? ??????? ??? ??? ??? ??.
?? ???? ?? ??????? ??? ??? ??? ??? ????: ?? ? ?? ??, ?? ?? ???, ??? ??, ?? ? ?? ??, ?? ??, ??.
National Metrological Verification Regulations of the People's Republic of China, ?? ??????? ??
Professional Standard - Education, ?? ??????? ??
國家市場監(jiān)督管理總局、中國國家標準化管理委員會, ?? ??????? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??????? ??
Professional Standard - Agriculture, ?? ??????? ??
Professional Standard - Machinery, ?? ??????? ??
國家藥監(jiān)局, ?? ??????? ??
Group Standards of the People's Republic of China, ?? ??????? ??
National Metrological Technical Specifications of the People's Republic of China, ?? ??????? ??
Korean Agency for Technology and Standards (KATS), ?? ??????? ??