公共建筑光纤宽带接入工程技术标准
Technical standard for engineering of optical fiber broadband access for public buildings
标准状态
发布于：2020-06-09
实施于：2021-03-01
废止
基本信息
GB 51433-2020
现行
2020-06-09
2021-03-01
内容预览
Technical standard for engineering of optical fiber broadband access for public buildings