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DE?? ?? ???
?? 13??? ?? ?? ???? ??? ??? ??.
?? ???? ?? ?? ???? ??? ??? ??? ????: ?? ??, ??, ????, ?? ??, ???, ????, ?? ??.
Standards Norway, ?? ?? ???
- NS 4775:1994 ? ?? - ?? ?? ???, ?? ? ??? - ??? ? ??? ?? ?? ??
Professional Standard - Machinery, ?? ?? ???
Professional Standard - Commodity Inspection, ?? ?? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ?? ???
Jilin Provincial Standard of the People's Republic of China, ?? ?? ???
Professional Standard - Non-ferrous Metal, ?? ?? ???
國家市場監督管理總局、中國國家標準化管理委員會, ?? ?? ???
Group Standards of the People's Republic of China, ?? ?? ???