作废 YD/T 5155-2007
固定电话网智能化工程设计规范(附条文说明) 固定电话网智能化工程设计规范(附条文说明) Specifications of Engineering Design for Fixed Network Intelligence
发布日期:2007-10-25
实施日期:2007-12-01
分类信息
标准简介

本规范适用于固定电话网智能化新建工程(以下简称:固网智能化工程)。扩建、改建工程设计在充分考虑原有设备的特点、合理利用原有设施的基础上,参照执行本规范

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最后更新时间 2025-08-30