"Teleservices Support" CNS Standards Search Result |
CNS 13694
- English Version Definition of Teleservices Supported by an Integrated Services Digital Network (ISDN) 整體服務數位網路支援之電訊服務定義 - 英文版 |
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CNS 13707
- English Version Teleservices Supported by an Integrated Services Digital Network (ISDN) 整體服務數位網路支援之電訊服務 - 英文版 |
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