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Professional Standard - Civil Aviation, ??, ?? ? ????

CN-STDBOOK, ??, ?? ? ????

US-FCR, ??, ?? ? ????

Building Officials and Code Administrators International(U.S.), ??, ?? ? ????

Professional Standard - Machinery, ??, ?? ? ????

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

SCC, ??, ?? ? ????

American Association, ??, ?? ? ????

U.S. Military Regulations and Norms, ??, ?? ? ????

Danish Standards Foundation, ??, ?? ? ????

HU-MSZT, ??, ?? ? ????

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

GSO, ??, ?? ? ????

Professional Standard - Petroleum, ??, ?? ? ????

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

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

ZA-SANS, ??, ?? ? ????

Standard Association of Australia (SAA), ??, ?? ? ????

TR-TSE, ??, ?? ? ????

VN-TCVN, ??, ?? ? ????

API - American Petroleum Institute, ??, ?? ? ????

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

International Organization for Standardization (ISO), ??, ?? ? ????

TH-TISI, ??, ?? ? ????

GB-REG, ??, ?? ? ????

Professional Standard - Automobile, ??, ?? ? ????

European Committee for Standardization (CEN), ??, ?? ? ????





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