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DE????? ???
?? 20??? ????? ???? ??? ??? ??.
?? ???? ????? ???? ??? ??? ??? ????: ?? ??? ?? ? ????, ?? ? ?? ???, ??, ??, ?? ? ?? ??, ???, ?? ? ?? ??, ?? ??.
ES-UNE, ????? ???
SCC, ????? ???
GSO, ????? ???
German Institute for Standardization, ????? ???
IEC - International Electrotechnical Commission, ????? ???
Association Francaise de Normalisation, ????? ???
British Standards Institution (BSI), ????? ???
International Electrotechnical Commission (IEC), ????? ???
Japanese Industrial Standards Committee (JISC), ????? ???
Lithuanian Standards Office , ????? ???
European Committee for Electrotechnical Standardization(CENELEC), ????? ???