暖暖爱视频免费,国产成人涩涩涩视频在线观看,中文在线中文资源,日本亚洲色大成网站WWW久久


ZH

EN

JP

ES

RU

DE

??? ?? ?????

?? 49??? ??? ?? ?????? ??? ??? ??.

?? ???? ??? ?? ?????? ??? ??? ??? ????: ???, ??? ??.


German Institute for Standardization, ??? ?? ?????

VDI - Verein Deutscher Ingenieure, ??? ?? ?????

未注明發(fā)布機(jī)構(gòu), ??? ?? ?????

SCC, ??? ?? ?????

Professional Standard - Machinery, ??? ?? ?????

工業(yè)和信息化部/國家能源局, ??? ?? ?????

機(jī)械工業(yè)部, ??? ?? ?????

Korean Agency for Technology and Standards (KATS), ??? ?? ?????

Professional Standard - Agriculture, ??? ?? ?????

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? ?? ?????

Association Francaise de Normalisation, ??? ?? ?????

British Standards Institution (BSI), ??? ?? ?????

European Committee for Standardization (CEN), ??? ?? ?????

  • EN 15445:2008 ?? ???? ?? ???? ?? ? ??? ?? ??? ??? ?? ?? ???? ?? ?? ??

Group Standards of the People's Republic of China, ??? ?? ?????





?2007-2024 ??? ??