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?? 55??? ????? ??? ??? ??.
?? ???? ????? ??? ??? ??? ????: ???, ??? ??, ?, ?? ??, ?? ??, ?? ?? ???, ??, ??? ? ??? ??, ??? ??, ?? ??, ?? ? ??, ?? ??, ?? ??, ???? ??? ?? ? ??, ???, ???, ????, ?? ????, ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ????
Professional Standard - Machinery, ????
Professional Standard - Building Materials, ????
CZ-CSN, ????
Professional Standard - Light Industry, ????
RO-ASRO, ????
PL-PKN, ????
National Metrological Verification Regulations of the People's Republic of China, ????
TR-TSE, ????
Japanese Industrial Standards Committee (JISC), ????
American National Standards Institute (ANSI), ????
Korean Agency for Technology and Standards (KATS), ????
Taiwan Provincial Standard of the People's Republic of China, ????
Professional Standard - Aviation, ????
Professional Standard - Geology, ????
International Organization for Standardization (ISO), ????
Professional Standard - Aerospace, ????
Spanish Association for Standardization (UNE), ????
American Society for Testing and Materials (ASTM), ????
VN-TCVN, ????