EN50290:Communication cables -- Part 1-2: Definitions
通信电缆.定义
EN50117:Coaxial cables -- Part 2-1: Sectional specification for cables used in cabled distribution networks - Indoor drop cables for systems operating at 5 MHz - 1 000 MHz
同轴电缆.第2-1部分:电缆配电网络用电缆分规范.在5MHz - 1000 MHz的操作系统用室内安装防泄漏电缆
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