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DE?????+ ??
?? 27??? ?????+ ??? ??? ??? ??.
?? ???? ?????+ ??? ??? ??? ??? ????: ??, ?? ? ???? ??? ?? ??, ????, ?? ??, ??? ??, ?? ? ???? ??, ??, ??, ??, ?? ?? ? ?? ??? ??, ?? ??, ????, ????, ?? ???.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?????+ ??
Group Standards of the People's Republic of China, ?????+ ??
RU-GOST R, ?????+ ??
Professional Standard - Commodity Inspection, ?????+ ??
Professional Standard - Chemical Industry, ?????+ ??
American Society for Testing and Materials (ASTM), ?????+ ??
中華人民共和國國家質(zhì)量監(jiān)督檢驗檢疫總局、中國國家標準化管理委員會, ?????+ ??
British Standards Institution (BSI), ?????+ ??
Shandong Provincial Standard of the People's Republic of China, ?????+ ??
Professional Standard - Non-ferrous Metal, ?????+ ??