BS476-31.1：建筑材料和构件的防火测试-透过门窗装配件的烟雾浸透度的测量方法.室温条件下的测量法
BS 476-31.1：Fire Tests on Building Materials and Structures Part 31: Methods for Measuring Smoke Penetration Through Door sets and Shutter Assemblies Section 31.1: Method of Measurement Under Ambient Temperature Conditions
Abstract 摘要
Fire tests, Construction systems parts, Smoke, Fire spread prevention, Leak tests, Doorsets, Doors, Fire barriers, Fire doors, Standard temperature, Test equipment, Mathematical calculations, Reports
