ZH
EN
JP
ES
RU
DE?? ??
?? 57??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ?? ? ??, ???, ?? ?? ??, ??, ???, ????, ???? ??, ?? ??, ?? ??, ??, ?? ? ?? ???, ??, ??, ??, ?? ?? ? ?? ?? ??, ??? ??.
Inner Mongolia Provincial Standard of the People's Republic of China, ?? ??
Group Standards of the People's Republic of China, ?? ??
German Institute for Standardization, ?? ??
國家市場監(jiān)督管理總局、中國國家標(biāo)準(zhǔn)化管理委員會, ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??
Anhui Provincial Standard of the People's Republic of China, ?? ??
Association Francaise de Normalisation, ?? ??
British Standards Institution (BSI), ?? ??
SCC, ?? ??
VDI - Verein Deutscher Ingenieure, ?? ??
Spanish Association for Standardization (UNE), ?? ??
KR-KS, ?? ??
International Telecommunication Union (ITU), ?? ??
Danish Standards Foundation, ?? ??
Korean Agency for Technology and Standards (KATS), ?? ??
BG-BDS, ?? ??
U.S. Military Regulations and Norms, ?? ??
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector, ?? ??
US-FCR, ?? ??
Professional Standard - Railway, ?? ??
GM North America, ?? ??
US-VA, ?? ??
DE-VDA, ?? ??
Professional Standard - Aviation, ?? ??
農(nóng)業(yè)農(nóng)村部, ?? ??