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DE?????? ??
?? 31??? ?????? ??? ??? ??? ??.
?? ???? ?????? ??? ??? ??? ??? ????: ??.
Korean Agency for Technology and Standards (KATS), ?????? ??
Japanese Industrial Standards Committee (JISC), ?????? ??
British Standards Institution (BSI), ?????? ??
KR-KS, ?????? ??
Association Francaise de Normalisation, ?????? ??
German Institute for Standardization, ?????? ??
Danish Standards Foundation, ?????? ??
European Committee for Standardization (CEN), ?????? ??
GSO, ?????? ??
SCC, ?????? ??
Spanish Association for Standardization (UNE), ?????? ??