99啪99精品视频在线观看,久久久久免费一区二区三区,久久中文字幕爱爱视频,欧美日韩国产免费一区二区三区


ZH

EN

JP

ES

RU

DE

?? ?? ????

?? 146??? ?? ?? ????? ??? ??? ??.

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


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

工業(yè)和信息化部, ?? ?? ????

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

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

Professional Standard - Electron, ?? ?? ????

Professional Standard - Nuclear Industry, ?? ?? ????

Professional Standard - Light Industry, ?? ?? ????

Professional Standard - Public Safety Standards, ?? ?? ????

Society of Automotive Engineers (SAE), ?? ?? ????

SCC, ?? ?? ????

U.S. Military Regulations and Norms, ?? ?? ????

全國(guó)標(biāo)準(zhǔn)信息公共服務(wù)平臺(tái), ?? ?? ????

SAE - SAE International, ?? ?? ????

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

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

Professional Standard - Geology, ?? ?? ????

Shanghai Provincial Standard of the People's Republic of China, ?? ?? ????

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

Professional Standard - Education, ?? ?? ????

International Organization for Standardization (ISO), ?? ?? ????

Military Standard of the People's Republic of China-General Armament Department, ?? ?? ????

(U.S.) Ford Automotive Standards, ?? ?? ????

國(guó)家市場(chǎng)監(jiān)督管理總局、中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì), ?? ?? ????

Professional Standard - Commodity Inspection, ?? ?? ????

  • SN/T 4396-2015 ????? ?????85, ?????71, ?????113? ?? ?????????-?????/?????

Professional Standard - Railway, ?? ?? ????

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

Professional Standard - Non-ferrous Metal, ?? ?? ????

Professional Standard - Ferrous Metallurgy, ?? ?? ????

Electronic Components, Assemblies and Materials Association, ?? ?? ????

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

Japanese Industrial Standards Committee (JISC), ?? ?? ????

GSO, ?? ?? ????

Spanish Association for Standardization (UNE), ?? ?? ????

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

  • EN 725-4:2006 ???? ??? ??? ?? ??? ?? 4?: X? ?? ???(XRF) ??? ?? ??????? ?? ?? ?? - 1994

KR-KS, ?? ?? ????

Professional Standard - Coal, ?? ?? ????

國(guó)家能源局, ?? ?? ????

RU-GOST R, ?? ?? ????

Shaanxi Provincial Standard of the People's Republic of China, ?? ?? ????

National Health Commission of the People's Republic of China, ?? ?? ????

Danish Standards Foundation, ?? ?? ????

American Society for Testing and Materials (ASTM), ?? ?? ????

Qinghai Provincial Standard of the People's Republic of China, ?? ?? ????

National Metrological Verification Regulations of the People's Republic of China, ?? ?? ????

Jilin Provincial Standard of the People's Republic of China, ?? ?? ????





?2007-2024 ??? ??