EN50399-1: common test methods for cables under fire conditions, Heat release and smoke production measurement on cables during flame spread test. Part 1: Apparatus.
EN50399 -1：著火条件下电缆的一般测试方法-在火焰蔓延的测试过程中，测量热释放量和冒烟量-测试装置。
EN50399-1: common test methods for cables under fire conditions, Heat release and smoke production measurement on cables during flame spread test. Part 1: Apparatus.
EN50399 -1：著火条件下电缆的一般测试方法-在火焰蔓延的测试过程中，测量热释放量和冒烟量-测试装置。
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