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

Professional Standard - Aerospace, ?????? ???? ??

中國石油化工總公司, ?????? ???? ??

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

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

Professional Standard - Aviation, ?????? ???? ??

YU-JUS, ?????? ???? ??

  • JUS H.C8.219-1989 ?? ??. ??? ?? ?????, ??? ?? ? ?? ????????????. NHOH/NH4Cl ??? ???? ?? ??. ???

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

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

  • UNE 55539-10:1994 ?????? ?? ??? ???? ?? ??? ??, ??? ? ?? ?? ? ?? ??? ?? ?? 10: ?????? ??, ?? 1/60

未注明發(fā)布機(jī)構(gòu), ?????? ???? ??

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

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

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

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

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

  • ISO 8298:1987 ?? ?? ? ???? ??, ??(IV) ??, ?(II) ????? ?? ? ?????? ???? ??? ??




?2007-2024 ??? ??