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DE?? ??
?? 11??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ?? ?? ???, ????, ??? ? ??? ??, ?? ??.
Group Standards of the People's Republic of China, ?? ??
German Institute for Standardization, ?? ??
IN-BIS, ?? ??
Canadian General Standards Board (CGSB), ?? ??
SCC, ?? ??
United States Navy, ?? ??
SE-SIS, ?? ??
American Society for Testing and Materials (ASTM), ?? ??
(U.S.) Telecommunications Industries Association?, ?? ??