"subcriber " CNS Standards List |
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CNS 14764
2018 Edition Digital subcriber signalling system No.1(DSS1)-Data link layer –ISDN data link layer specification for frame mode bearer services 第一號數位用戶信號系統-資料鏈路層-訊框模式載送服務用之整體服務數位網路資料鏈路層規格 |
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