NFPA 252门组件防火试验
日期:2020-03-30 14:47
asured in units of time is not an absolute value because all possible actual fire scenar ios are not represented by the standard fire exposure described herein This standard allows different fire door assemblies to be pared with each other in order to evaluate their relative performance as measured against a standard fire exposure.
NFPA 252门组件的防火试验用标准方法-相关标准
EN1634-1: 防火门及百叶窗防火性能测试
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