gmt88 发表于 2013-7-7 02:54:45

ISO/IEC 17311:2000 Mapping Functions for the Employment of 64 kbit/s Circuit Mod

ISO/IEC 17311:2000(E)
First Edition
2000-09-15
Information Technology -
Telecommunications and Information Exchange Between Systems -
Private Integrated Services Network -
Mapping Functions for the Employment of 64 kbit/s Circuit Mode Connections with 8 kbit/s Sub-Multiplexing

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admin 发表于 2013-7-7 15:02:47

谢谢您的分享，金币已奖励。

21319817 发表于 2013-8-29 15:38:53

:lol
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