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

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

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

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

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

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

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





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