ZH
EN
JP
ES
RU
DE ???? ?? ??
?? 30??? ???? ?? ??? ??? ??? ??.
?? ???? ???? ?? ??? ??? ??? ??? ????: ????, ?? ??, ?? ?? ???.
Korean Agency for Technology and Standards (KATS), ???? ?? ??
Japanese Industrial Standards Committee (JISC), ???? ?? ??
未注明發(fā)布機(jī)構(gòu), ???? ?? ??
未注明發(fā)布機(jī)構(gòu), ???? ?? ??
American Society for Testing and Materials (ASTM), ???? ?? ??