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邮电部１９９７年７～１２月颁布的邮电技术标准（电信部分）邮电部１９９７年７～１２月颁布的邮电技术标准（电信部分）邮电部1997年7～12月颁布的邮电技术标准(电信部分...
Posts and Telecommunications Ministry of Posts and Telecommunications in July and December 1997 promulgated the technical standards for telecommunications (telecommunications) Ministry of Posts and Telecommunications in 1997 July to December issued by Posts and Telecommunications Technical Standards (Telecommunications) Ministry of Posts and Telecommunications in 1997 July to December issued by Posts and Telecommunications Technical Standards (Telecommunications ...