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

中華人民共和國國家質量監督檢驗檢疫總局、中國國家標準化管理委員會, ???? ?? ??

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

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

RU-GOST R, ???? ?? ??

American National Standards Institute (ANSI), ???? ?? ??

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

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

工業和信息化部, ???? ?? ??

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

VN-TCVN, ???? ?? ??

CZ-CSN, ???? ?? ??

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

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

Indonesia Standards, ???? ?? ??

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

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

Professional Standard - Non-ferrous Metal, ???? ?? ??

IN-BIS, ???? ?? ??

UNKNOWN, ???? ?? ??

Professional Standard - Building Materials, ???? ?? ??

Professional Standard - Chemical Industry, ???? ?? ??





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