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

HU-MSZT, ??? ?? ??

Professional Standard - Geology, ??? ?? ??

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

工業和信息化部, ??? ?? ??

Spanish Association for Standardization (UNE), ??? ?? ??

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

Japanese Industrial Standards Committee (JISC), ??? ?? ??

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

Association Francaise de Normalisation, ??? ?? ??

Military Standard of the People's Republic of China-General Armament Department, ??? ?? ??

YU-JUS, ??? ?? ??

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





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