BS EN 50288-4-1:2003 Multi-element metallic cables used in analogue and digital communication and control-Part 4-1: Sectional specification for screened cables characterised up to 600MHz-Horizontal and building backbone cables
BS EN 50288-4-1:2003 模拟和数字通信及控制中使用的多元件金属电缆 第4-1部分 屏蔽范围达600 MHz的屏蔽电缆的区域性规范 水平和建筑物主干电缆