供应BS 476 防火测试
e tests on building materials and structures. Classification and method of test for external fire exposure to roofs
BS 476-4：建筑材料和结构的防火测试-材料不燃性测试
BS 476-4：Fire tests on building materials and structures - Part 4: Non-combustibility test for materials
BS 476-5：建筑材料引燃性测试方法
BS 476-5：Fire Tests on Building Materials and Structures Part 5: Method of Test for Ignitability
BS 476-6：建筑材料和构件的防火测试.第6部分:制品火势蔓延的测试方法
BS 476-6：Fire tests on building materials
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