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[国外标准] UL 1666-2007 Standard Test for Flame Propagation Height of Electrical and Optical-Fiber Cables Installed Vertically in Shafts

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P:2007-08-29 17:03:57

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UL 1666-2007 Standard Test for Flame Propagation Height of Electrical and Optical-Fiber Cables Installed Vertically in Shafts.pdf

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绿野仙踪 奖励 0 金币，.1 声望，于 2007-8-29 17:24:09

inspection test - 检查试验 （0） 投诉

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