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

未注明發布機構, ???? ?? ??

SCC, ???? ?? ??

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

Universal Oil Products Company?(UOP), ???? ?? ??

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

工業和信息化部, ???? ?? ??

GSO, ???? ?? ??

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

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

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

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

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

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

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

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





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