丁香五月色情久久久久,久久人人爽人人爽人人AV东京热,久久人做人爽一区二区三区,YY6080韩国三级理论无码


ZH

EN

JP

ES

RU

DE

?? ???? ??

?? 207??? ?? ???? ??? ??? ??? ??.

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


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

CZ-CSN, ?? ???? ??

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

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

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

HU-MSZT, ?? ???? ??

AENOR, ?? ???? ??

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

DIN, ?? ???? ??

  • DIN 27201-12:2022 ???? ?? - ???? - ?12?: ????? ?????? ??????
  • DIN EN 15437-1:2023 ?? ?????? - ?? ?? ???? - ????? ? ?? ?? ?? - 1?: ?? ?? ?? ? ?? ?? ??; ??? ?? EN 15437-1:2009+A1:2022
  • DIN 38030:2022 ?? ?? - ?? ??? ?? ?? ?? - ?? ???
  • DIN EN 15437-2:2023 ?? ?? ?? - ?? ?? ???? - ????? ? ?? ?? ?? - 2?: ?? ????? ?? ??? ???? ?? ? ?? ?? ?? ??? ?? EN 15437-2:2012+A1:2022

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

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

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

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

Underwriters Laboratories (UL), ?? ???? ??

National Metrological Technical Specifications of the People's Republic of China, ?? ???? ??

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

國家鐵路局, ?? ???? ??

SCC, ?? ???? ??

GB-REG, ?? ???? ??

US-DOT, ?? ???? ??

Standard Association of Australia (SAA), ?? ???? ??

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

RO-ASRO, ?? ???? ??

GSO, ?? ???? ??

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

European Telecommunications Standards Institute (ETSI), ?? ???? ??

ETSI - European Telecommunications Standards Institute, ?? ???? ??

International Electrotechnical Commission (IEC), ?? ???? ??

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

Lithuanian Standards Office , ?? ???? ??

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

ES-UNE, ?? ???? ??

GOSTR, ?? ???? ??

IEC - International Electrotechnical Commission, ?? ???? ??

  • TS 62580-2-2016 ?? ?? ?? ?? ?? ????? ? ????? ?? ??? 2?: ?? ??/CCTV ???(?? 1.0)

未注明發布機構, ?? ???? ??

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

PL-PKN, ?? ???? ??

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

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

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

American National Standards Institute (ANSI), ?? ???? ??

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

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

CENELEC - European Committee for Electrotechnical Standardization, ?? ???? ??

VDE - VDE Verlag GmbH@ Berlin@ Germany, ?? ???? ??





?2007-2024 ??? ??