BS 476-22：非载荷建筑元件防火测试方法
日期:2010-09-08 00:00
insulated, partially insulated and uninsulated vertical doorsets and shutter assemblies (except fire dampers incorporated in ducts), to ceiling membranes, and to glazed elements.
Appendix A to this standard gives guidance and background information which will assist the designer and the testing laboratory to select and evaluate specimens that are representative of in use situations.
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