电线电缆网 > 标准共享 > UL 1666-2017 Test for Flame Propagation Height of Electrical and Optical-Fiber Cables Installed Vertically in Shafts（完整版）
UL 1666-2017 Test for Flame Propagation Height of Electrical and Optical-Fiber Cables Installed Vertically in Shafts - 无图版
wzg196 --- 2019-08-06 08:37:53
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UL1666-20170131 Standard Test for Flame Propagation Height of Electrical and Optical-Fiber Cables Installed Vertically in Shafts
YPont --- 2019-08-06 11:20:42
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好资料！