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DE??????? ????
?? 16??? ??????? ????? ??? ??? ??.
?? ???? ??????? ????? ??? ??? ??? ????: ??, ?? ??, ?? ?? ??.
GSO, ??????? ????
SCC, ??????? ????
GOST, ??????? ????
Association Francaise de Normalisation, ??????? ????
British Standards Institution (BSI), ??????? ????
Spanish Association for Standardization (UNE), ??????? ????
Korean Agency for Technology and Standards (KATS), ??????? ????
International Electrotechnical Commission (IEC), ??????? ????