GB/T 34961.1-2018信息技术用户建筑群布缆的实现和操作第1部分:管理国家标准
英文:Information technology—Implementation and operation of customer premises cabling—Part1:Administration GB/T 34961.1-20...
英文:Information technology—Implementation and operation of customer premises cabling—Part1:Administration GB/T 34961.1-20...