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DE?? ??
?? 16??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ????, ?? ? ??, ??, ?? ? ? ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??
Hebei Provincial Standard of the People's Republic of China, ?? ??
Inner Mongolia Provincial Standard of the People's Republic of China, ?? ??
Shaanxi Provincial Standard of the People's Republic of China, ?? ??
Jilin Provincial Standard of the People's Republic of China, ?? ??
CN-DB 6, ?? ??
國家市場監督管理總局、中國國家標準化管理委員會, ?? ??
Shanxi Provincial Standard of the People's Republic of China, ?? ??
Ningxia Provincial Standard of the People's Republic of China, ?? ??
Sichuan Provincial Standard of the People's Republic of China, ?? ??
PL-PKN, ?? ??
RO-ASRO, ?? ??
Gansu Provincial Standard of the People's Republic of China, ?? ??