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DE?? ??
?? 57??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ?? ???, ??, ????, ?, ??, ???, ??(??)? ?? ? ??, ??? ? ???, ?? ???, ??, ??, ???, ????, ?? ? ??, ????? ?? ? ??? ???, ?? ??, ?? ? ???, ??, ?? ?? ? ?? ?? ??, ????, ?? ?? ? ??? ???, ?? ??, ?? ?? ??? ? ?? ????, ?? ?? ??.
Professional Standard - Traffic, ?? ??
Ningxia Provincial Standard of the People's Republic of China, ?? ??
Professional Standard - Business, ?? ??
Anhui Provincial Standard of the People's Republic of China, ?? ??
Group Standards of the People's Republic of China, ?? ??
Shanxi Provincial Standard of the People's Republic of China, ?? ??
Professional Standard - Chemical Industry, ?? ??
Henan Provincial Standard of the People's Republic of China, ?? ??
Hunan Provincial Standard of the People's Republic of China, ?? ??
Professional Standard - Light Industry, ?? ??
Zhejiang Provincial Standard of the People's Republic of China, ?? ??
Professional Standard - Construction Industry, ?? ??
Sichuan Provincial Standard of the People's Republic of China, ?? ??
Guangdong Provincial Standard of the People's Republic of China, ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??
Guangxi Provincial Standard of the People's Republic of China, ?? ??
Professional Standard - Electricity, ?? ??
Professional Standard - Tobacco, ?? ??
RU-GOST R, ?? ??
Professional Standard - Aerospace, ?? ??
國家市場監督管理總局、中國國家標準化管理委員會, ?? ??
Jiangsu Provincial Standard of the People's Republic of China, ?? ??
Tianjin Provincial Standard of the People's Republic of China, ?? ??
GOSTR, ?? ??
VDI - Verein Deutscher Ingenieure, ?? ??
SCC, ?? ??