城市地下通信塑料管道工程施工及验收规范(附条文说明)城市地下通信塑料管道工程施工及验收规范(附条文说明)Code for construction and acceptance of buried telecommunication plastic conduit engineering in city area
通信电源设备安装工程验收规范
Code for acceptance of construction engineering of telecommunication power supply facility
2016-10-25
SY/T 4217.3-2019
石油天然气建设工程施工质量验收规范 通信工程 第3部分:油气田通信光缆地埋线路(附条文说明)
Code for quality acceptance of oil and gas construction engineering-Communication engineering-Part 3:Telecommunication optical cable buried lines of oil and gas fields