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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 1356-2005 |
The specification for user power feeding of ISDA basic access U interface on the switch 交换机综合业务数字网(isdn)基本接入速率“u”接口对用户供电要求 |
China Telecommunication
Standards ISDA |
 English PDF |
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