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

ZA-SANS, ?? ??? ?? ???

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

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

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

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

Professional Standard - Medicine, ?? ??? ?? ???

  • YY/T 1807-2022 ??? X? ?? ????(????)? ???? ?? ???? ?? ??? ?? ??? ?????? ???? ?????.

國家市場監(jiān)督管理總局、中國國家標準化管理委員會, ?? ??? ?? ???

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

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

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

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

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

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

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

AASHTO - American Association of State Highway and Transportation Officials, ?? ??? ?? ???

  • T 375M/T 375-2017 ??? X? ??(XRF) ???? ???? ???? ??? ? ?? ??? ?? ?? ??? ???? ?? ?? ??? ??




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