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2013 发表于 2014-12-3 21:30:46

ISO/IEC 15773:1998(E) Information technology — Telecommunications

ISO/IEC 15773:1998(E) Information technology — Telecommunications and information exchange between systems — Broadband Private Integrated Services Network — Inter-exchange signalling protocol — Transit counter additional network feature

admin 发表于 2014-12-4 10:05:48

谢谢您的分享，金币已奖励

nbjwbzj 发表于 2014-12-4 16:02:12

谢谢分享！！！！！！！

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