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DE???? ?? ??
?? 77??? ???? ?? ??? ??? ??? ??.
?? ???? ???? ?? ??? ??? ??? ??? ????: ???, ?? ?? ???, ?? ?? ??, ?? ??, ????, ?? ??, ?? ??, ?????, ?? ??, ?? ??.
Korean Agency for Technology and Standards (KATS), ???? ?? ??
Professional Standard - Ferrous Metallurgy, ???? ?? ??
國家市場監(jiān)督管理總局、中國國家標準化管理委員會, ???? ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ???? ?? ??
Professional Standard - Electron, ???? ?? ??
Japanese Industrial Standards Committee (JISC), ???? ?? ??
American Society for Testing and Materials (ASTM), ???? ?? ??
未注明發(fā)布機構(gòu), ???? ?? ??
Standard Association of Australia (SAA), ???? ?? ??
IN-BIS, ???? ?? ??
未注明發(fā)布機構(gòu), ???? ?? ??
工業(yè)和信息化部, ???? ?? ??