Extended application of test results for fire resistance and/or smoke control for door, shutter and openable window assemblies, including their elements of building hardware - Part 20: Smoke control for doors, shutters, operable fabric curtains and openable windows
门、百叶窗和可开启窗户组件 包括其建筑五金元件的耐火和/或防烟试验结果的扩展应用-第20部分:门、百叶窗、可开启织物窗帘和可开启窗户的防烟;德文版EN 15269-20:2020