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DE???? ?? ??
?? 46??? ???? ?? ??? ??? ??? ??.
?? ???? ???? ?? ??? ??? ??? ??? ????: ?? ? ??, ????, ??? ??, ???, ?? ??, ??, ??? ? ?? ??, ?? ??? ? ??? ???? ??, ?? ??, ?? ???, ??? ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ???? ?? ??
Professional Standard - Ferrous Metallurgy, ???? ?? ??
Professional Standard - Geology, ???? ?? ??
Taiwan Provincial Standard of the People's Republic of China, ???? ?? ??
Japanese Industrial Standards Committee (JISC), ???? ?? ??
Korean Agency for Technology and Standards (KATS), ???? ?? ??
Professional Standard - Agriculture, ???? ?? ??
American Society for Testing and Materials (ASTM), ???? ?? ??
Professional Standard - Commodity Inspection, ???? ?? ??
國家進出口商品檢驗局, ???? ?? ??
Group Standards of the People's Republic of China, ???? ?? ??
British Standards Institution (BSI), ???? ?? ??
工業和信息化部, ???? ?? ??
海關總署, ???? ?? ??
- SN/T 5219-2019 ?? ???????-?????/?????? ??? ?? ?? ? ????? ? ????? ??? ??
Professional Standard - Environmental Protection, ???? ?? ??
CZ-CSN, ???? ?? ??
PL-PKN, ???? ?? ??
IN-BIS, ???? ?? ??