ZH
EN
JP
ES
RU
DE2. ???? ?
?? 91??? 2. ???? ?? ??? ??? ??.
?? ???? 2. ???? ?? ??? ??? ??? ????: ?????, ??? ??, ?? ? ???, ?????, ??? ? ? ?? ?? ??, ?? ??, ??????, ?? ?? ??? ? ?? ????, ???, ??, ????, ?? ? ?? ??, ?? ?? ? ??.
International Telecommunication Union (ITU), 2. ???? ?
Group Standards of the People's Republic of China, 2. ???? ?
SCC, 2. ???? ?
Professional Standard - Energy, 2. ???? ?
American Welding Society (AWS), 2. ???? ?
Professional Standard - Electricity, 2. ???? ?
WRC - Welding Research Council, 2. ???? ?
ANS - American Nuclear Society, 2. ???? ?
CN-STDBOOK, 2. ???? ?
American Nuclear Society (ANS), 2. ???? ?
American National Standards Institute (ANSI), 2. ???? ?
ITU-T - International Telecommunication Union/ITU Telcommunication Sector, 2. ???? ?
ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., 2. ???? ?
Professional Standard - Environmental Protection, 2. ???? ?
US-FCR, 2. ???? ?
國家食品藥品監(jiān)督管理局, 2. ???? ?
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector, 2. ???? ?
Korean Agency for Technology and Standards (KATS), 2. ???? ?
International Electrotechnical Commission (IEC), 2. ???? ?
國家藥監(jiān)局, 2. ???? ?
Professional Standard - Medicine, 2. ???? ?
Professional Standard-Ships, 2. ???? ?
GB-REG, 2. ???? ?
API - American Petroleum Institute, 2. ???? ?
RU-GOST R, 2. ???? ?
ITE - Institute of Transportation Engineers, 2. ???? ?
Association Francaise de Normalisation, 2. ???? ?
Professional Standard - Light Industry, 2. ???? ?
Professional Standard - Chemical Industry, 2. ???? ?
未注明發(fā)布機構(gòu), 2. ???? ?
International Organization for Standardization (ISO), 2. ???? ?
Society of Automotive Engineers (SAE), 2. ???? ?
PT-IPQ, 2. ???? ?
Natural Gas Processor's Association (NGPA), 2. ???? ?