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DE??? ???
?? 16??? ??? ???? ??? ??? ??.
?? ???? ??? ???? ??? ??? ??? ????: ????, ?? ? ?? ??, ?? ?? ??, ??, ?? ? ???.
GCC Standardization Organization, ??? ???
German Institute for Standardization, ??? ???
National Association of Corrosion Engineers (NACE), ??? ???
Association of German Mechanical Engineers, ??? ???
未注明發布機構, ??? ???
CEPT - Conference Europeenne des Administrations des Postes et des Telecommunications, ??? ???
International Electrotechnical Commission (IEC), ??? ???
British Standards Institution (BSI), ??? ???
Group Standards of the People's Republic of China, ??? ???
CZ-CSN, ??? ???
Association Francaise de Normalisation, ??? ???
CN-STDBOOK, ??? ???