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DE??? ?? ??
?? 21??? ??? ?? ??? ??? ??? ??.
?? ???? ??? ?? ??? ??? ??? ??? ????: ??, ??, ?? ? ?? ??, ???? ??, ?? ??, ?? ? ???? ??, ??? ??, ?? ? ?? ??, ???, ???? ? ?? ????, ???, ??? ?? ? ?? ??, ????, ??.
Fujian Provincial Standard of the People's Republic of China, ??? ?? ??
Military Standard of the People's Republic of China-General Armament Department, ??? ?? ??
Professional Standard - Energy, ??? ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? ?? ??
Group Standards of the People's Republic of China, ??? ?? ??
Professional Standard - Petrochemical Industry, ??? ?? ??
American Society for Testing and Materials (ASTM), ??? ?? ??
BE-NBN, ??? ?? ??
Professional Standard - Machinery, ??? ?? ??
Professional Standard - Commodity Inspection, ??? ?? ??
National Metrological Technical Specifications of the People's Republic of China, ??? ?? ??