供应BS 476 防火测试
and structures Part 6: Method of test for fire propagation for products
BS 476-7：建筑材料和构件的防火测试.第7部分:测定产品火焰表面蔓延分类的测试方法
BS 476-7：Fire Tests on Building Materials and Structures Part 7: Method of Test to Determine the Classification of the Surface Spread of Flame of Products
BS 476-11：建筑材料和构件的防火测试.第11部分:建筑材料热辐射的判定方法
BS 476-11：Fire tests on building materials and structures Part 11: Method for assessing the heat emission from building materials
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