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HU-MSZT, ??? ??? ??? ?? ??

BR-ABNT, ??? ??? ??? ?? ??

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

SCC, ??? ??? ??? ?? ??

YU-JUS, ??? ??? ??? ?? ??

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

IT-UNI, ??? ??? ??? ?? ??

GSO, ??? ??? ??? ?? ??

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

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

Association of German Mechanical Engineers, ??? ??? ??? ?? ??

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

VDI - Verein Deutscher Ingenieure, ??? ??? ??? ?? ??

ISA - International Society of Automation, ??? ??? ??? ?? ??

CN-STDBOOK, ??? ??? ??? ?? ??

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

Professional Standard - Railway, ??? ??? ??? ?? ??


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