ZH
EN
JP
ES
RU
DE?????? + ??
?? 5??? ?????? + ??? ??? ??? ??.
?? ???? ?????? + ??? ??? ??? ??? ????: ?? ??, ????, ????.
Taiwan Provincial Standard of the People's Republic of China, ?????? + ??
Military Standards (MIL-STD), ?????? + ??
Anhui Provincial Standard of the People's Republic of China, ?????? + ??
Professional Standard - Aviation, ?????? + ??
- HB/Z 5107.14-2004 ???? ??? ??? ?? ?? ?? ?? ?? 14: ??? ??? ?? ?????? ? ???? ?? ??? ????? ?? ??
Professional Standard - Non-ferrous Metal, ?????? + ??