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 10: Fire resistance of steel rolling shutter assemblies
门、百叶窗和可开启窗组件(包括其建筑五金元件)耐火和/或防烟试验结果的扩展应用第10部分:钢卷帘组件的耐火性