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DE?? ??? ??
?? 37??? ?? ??? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ??? ????: ????????, ???, ??? ? ??? ?????, ????, ?? ? ?? ??, TV ?? ? ??? ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??? ??
International Telecommunication Union (ITU), ?? ??? ??
GSO, ?? ??? ??
International Electrotechnical Commission (IEC), ?? ??? ??
Hunan Provincial Standard of the People's Republic of China, ?? ??? ??
SCC, ?? ??? ??
Korean Agency for Technology and Standards (KATS), ?? ??? ??
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector, ?? ??? ??
IN-BIS, ?? ??? ??
US-FCR, ?? ??? ??
British Standards Institution (BSI), ?? ??? ??
Professional Standard - Radio Television Film, ?? ??? ??
NL-NEN, ?? ??? ??
German Institute for Standardization, ?? ??? ??
European Committee for Standardization (CEN), ?? ??? ??
Lithuanian Standards Office , ?? ??? ??
Hebei Provincial Standard of the People's Republic of China, ?? ??? ??