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國家市場監(jiān)督管理總局、中國國家標準化管理委員會, ??? ?? ???

National Metrological Technical Specifications of the People's Republic of China, ??? ?? ???

National Metrological Verification Regulations of the People's Republic of China, ??? ?? ???

Group Standards of the People's Republic of China, ??? ?? ???

American Society for Testing and Materials (ASTM), ??? ?? ???

Professional Standard - Agriculture, ??? ?? ???

Fujian Provincial Standard of the People's Republic of China, ??? ?? ???

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? ?? ???

國家能源局, ??? ?? ???

Professional Standard - Education, ??? ?? ???

British Standards Institution (BSI), ??? ?? ???

Shaanxi Provincial Standard of the People's Republic of China, ??? ?? ???





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