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DE??? ?? ??
?? 50??? ??? ?? ??? ??? ??? ??.
?? ???? ??? ?? ??? ??? ??? ??? ????: ????, ??? ??, ????, ?? ?? ???, ?? ? ???? ??? ?? ??, ?? ? ?? ??, ?? ??, ??? ??, ?? ?? ??, ?? ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? ?? ??
Korean Agency for Technology and Standards (KATS), ??? ?? ??
American Society for Testing and Materials (ASTM), ??? ?? ??
Magyar Szabványügyi Testület, ??? ?? ??
Professional Standard - Machinery, ??? ?? ??
Group Standards of the People's Republic of China, ??? ?? ??
British Standards Institution (BSI), ??? ?? ??
YU-JUS, ??? ?? ??
The American Road & Transportation Builders Association, ??? ?? ??
IT-UNI, ??? ?? ??
German Institute for Standardization, ??? ?? ??
Japanese Industrial Standards Committee (JISC), ??? ?? ??
Kingdom of Bahrain Testing and Metrology Directorate, ??? ?? ??
GCC Standardization Organization, ??? ?? ??
IX-IX-ISO, ??? ?? ??
IPC - Association Connecting Electronics Industries, ??? ?? ??
Bureau of Indian Standards, ??? ?? ??