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[国外标准] 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
P:2019-02-11 10:39:14
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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
FRP - fibreglass-reinforced plastic玻璃纤维增强塑料 （0） 投诉
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