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

Professional Standard - Ferrous Metallurgy, ????

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

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

RO-ASRO, ????

Professional Standard - Commodity Inspection, ????

Professional Standard - Geology, ????

中華人民共和國(guó)國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局、中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì), ????

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

TR-TSE, ????

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





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