ZH
EN
JP
ES
RU
DE???? ????
?? 14??? ???? ????? ??? ??? ??.
?? ???? ???? ????? ??? ??? ??? ????: ???, ????.
British Standards Institution (BSI), ???? ????
Association Francaise de Normalisation, ???? ????
International Organization for Standardization (ISO), ???? ????
KR-KS, ???? ????
Korean Agency for Technology and Standards (KATS), ???? ????
SCC, ???? ????
German Institute for Standardization, ???? ????
Group Standards of the People's Republic of China, ???? ????
Henan Provincial Standard of the People's Republic of China, ???? ????
Xizang Provincial Standard of the People's Republic of China, ???? ????
Sichuan Provincial Standard of the People's Republic of China, ???? ????