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DE??? CT+ ??
?? 33??? ??? CT+ ??? ??? ??? ??.
?? ???? ??? CT+ ??? ??? ??? ??? ????: ??? ??, ??????, ?? ?? ???, ???, ????, ????, ?? ?? ??, ?????.
Group Standards of the People's Republic of China, ??? CT+ ??
Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, ??? CT+ ??
中華人民共和國國家質(zhì)量監(jiān)督檢驗檢疫總局、中國國家標(biāo)準(zhǔn)化管理委員會, ??? CT+ ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? CT+ ??
國家市場監(jiān)督管理總局、中國國家標(biāo)準(zhǔn)化管理委員會, ??? CT+ ??
Professional Standard - Aerospace, ??? CT+ ??
Military Standard of the People's Republic of China-General Armament Department, ??? CT+ ??
National Metrological Technical Specifications of the People's Republic of China, ??? CT+ ??
Professional Standard - Building Materials, ??? CT+ ??
Occupational Health Standard of the People's Republic of China, ??? CT+ ??
Professional Standard - Aviation, ??? CT+ ??
American Society for Testing and Materials (ASTM), ??? CT+ ??
Japanese Industrial Standards Committee (JISC), ??? CT+ ??
Professional Standard - Environmental Protection, ??? CT+ ??