[國(guó)外標(biāo)準(zhǔn)] 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
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