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DE????? ?? ??
?? 131??? ????? ?? ??? ??? ??? ??.
?? ???? ????? ?? ??? ??? ??? ??? ????: ?? ??, ?? ??, ??, ?? ??, ??? ??, ??? ? ? ?? ?? ??, ????, ?? ??, ??????, ?? ??, ?? ??, ????, ?? ? ?? ?? ??, ???? ??, ?, ?? ??, ?? ? ?? ??, ??? ???, ???, ??? ?? ? ?? ??, ??? ?? ? ???.
Heilongjiang Provincial Standard of the People's Republic of China, ????? ?? ??
Professional Standard - Non-ferrous Metal, ????? ?? ??
Kingdom of Bahrain Testing and Metrology Directorate, ????? ?? ??
Danish Standards Foundation, ????? ?? ??
GCC Standardization Organization, ????? ?? ??
British Standards Institution (BSI), ????? ?? ??
Ente Nazionale Italiano di Unificazione, ????? ?? ??
Association Francaise de Normalisation, ????? ?? ??
Korean Agency for Technology and Standards (KATS), ????? ?? ??
Professional Standard - Ferrous Metallurgy, ????? ?? ??
BE-NBN, ????? ?? ??
German Institute for Standardization, ????? ?? ??
Gosstandart of Russia, ????? ?? ??
Spanish Association for Standardization (UNE), ????? ?? ??
Lithuanian Standards Office , ????? ?? ??
Standards Norway, ????? ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ????? ?? ??
PT-IPQ, ????? ?? ??
Professional Standard - Petrochemical Industry, ????? ?? ??
American National Standards Institute （ANSI), ????? ?? ??
VN-TCVN, ????? ?? ??
International Organization for Standardization (ISO), ????? ?? ??
Professional Standard - Chemical Industry, ????? ?? ??
UNKNOWN, ????? ?? ??
CU-NC, ????? ?? ??
American Society for Testing and Materials (ASTM), ????? ?? ??
Professional Standard - Petroleum, ????? ?? ??
Professional Standard - Building Materials, ????? ?? ??
Japanese Industrial Standards Committee (JISC), ????? ?? ??
Swedish Institute for Standards, ????? ?? ??
European Committee for Standardization (CEN), ????? ?? ??
Professional Standard - Machinery, ????? ?? ??
IN-BIS, ????? ?? ??
Group Standards of the People's Republic of China, ????? ?? ??
Professional Standard - Energy, ????? ?? ??
Professional Standard - Agriculture, ????? ?? ??
Professional Standard - Aviation, ????? ?? ??