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?? 52??? ? ??? ??? ??? ??.
?? ???? ? ??? ??? ??? ??? ????: ???, ??(?? ? ??), ???, ??, ?? ?? ? ??, ???? ??, ?? ?? ??, ?? ??, ?? ? ?? ??, ?? ??, ?? ??.
Korean Agency for Technology and Standards (KATS), ? ??
Taiwan Provincial Standard of the People's Republic of China, ? ??
International Telecommunication Union (ITU), ? ??
German Institute for Standardization, ? ??
GSO, ? ??
International Organization for Standardization (ISO), ? ??
Society of Automotive Engineers (SAE), ? ??
SCC, ? ??
SAE - SAE International, ? ??
British Standards Institution (BSI), ? ??
Association Francaise de Normalisation, ? ??
Danish Standards Foundation, ? ??
American National Standards Institute （ANSI), ? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ? ??
South African Bureau of Standard, ? ??
Institute of Electrical and Electronics Engineers (IEEE), ? ??
Lithuanian Standards Office , ? ??
Spanish Association for Standardization (UNE), ? ??
United States Navy, ? ??
Standard Association of Australia （SAA）, ? ??
U.S. Air Force, ? ??
KP-CSK, ? ??
KR-KS, ? ??