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Professional Standard - Machinery, ???? ??

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

工業(yè)和信息化部, ???? ??

Professional Standard - Ferrous Metallurgy, ???? ??

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

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

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

Professional Standard - Commodity Inspection, ???? ??

Professional Standard - Nuclear Industry, ???? ??

Professional Standard - Agriculture, ???? ??

PT-IPQ, ???? ??

Korean Agency for Technology and Standards (KATS), ???? ??

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

Professional Standard - Petroleum, ???? ??

Professional Standard - Aviation, ???? ??





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