NF X 10-702-5:1994 Fire test methods. Determination of the opacity of the fumes in an atmosphere without air renewal. Part 5 : Test method for materials used in wall panels or interiors partitions.
NF X 10-702-5:1994 防火测试方法.在空气不更新环境下烟的暗度测定.第5部分:墙板及隔断测试方法。
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