BS EN 50288-6-1:2013 Multi-element metallic cables used in analogue and digital communication and control - Part 6-1: Sectional specification for unscreened cables characterised up to 250 MHz — Horizontal and building backbone cables - 简版
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2019-02-11 10:39:14
BS EN 50288-6-1:2013 Multi-element metallic cables used in analogue and digital communication and control - Part 6-1: Sectional specification for unscreened cables characterised up to 250 MHz — Horizontal and building backbone cables.pdf