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DE??? ???? ??
?? 14??? ??? ???? ??? ??? ??? ??.
?? ???? ??? ???? ??? ??? ??? ??? ????: ??? ??.
中華人民共和國國家質量監督檢驗檢疫總局、中國國家標準化管理委員會, ??? ???? ??
工業和信息化部, ??? ???? ??
International Telecommunication Union (ITU), ??? ???? ??
South African Bureau of Standard, ??? ???? ??
Japanese Industrial Standards Committee (JISC), ??? ???? ??
British Standards Institution (BSI), ??? ???? ??
Korean Agency for Technology and Standards (KATS), ??? ???? ??