Fire behaviour of building materials and building components - Part 23: Roofs - Application rules for test results for roofs tested to DIN V ENV 1187, test method 1, and DIN 4102-7
建筑材料和建筑构件的防火性能.第23部分:屋顶.根据DIN V ENV 1187、试验方法1和DIN 4102-7进行试验的屋顶的试验结果应用规则