EN 13501-4:2007 施工产品和建筑部件燃烧性能分类.第4部分:烟控制系统构件耐火性试验用数据分类.包含修改件A1-2009
Fire classification of construction products and building elements - Part 4: Classification using data from fire resistance tests on components of smoke control systems (Incorporates Amendment A1: 2009)