
【国外标准】 General arrangements for network interworking between ISDNs
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- ITU-T I.520
- 现行
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适用范围:
暂无
标准号:
ITU-T I.520
标准名称:
General arrangements for network interworking between ISDNs
英文名称:
标准状态:
现行-
发布日期:
2012-03-01 -
实施日期:
出版语种:
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