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Professional Standard - Petroleum, ??? ??

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

Military Standards (MIL-STD), ??? ??

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

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

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

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

Canadian Standards Association (CSA), ??? ??

GSO, ??? ??

SCC, ??? ??

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

CU-NC, ??? ??

IPC - Association Connecting Electronics Industries, ??? ??

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

RO-ASRO, ??? ??





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