
Fire resistance tests. Fire dampers for air distribution systems. Mechanical dampers
出版:British Standards Institution

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基本信息
标准编号: BS ISO 21925-1:2018
发布时间:2018/12/5 0:00:00
标准类别:Standard
出版单位:British Standards Institution
标准页数:0
标准简介
This document specifies a test method for the determination of the resistance of fire dampers to heat, and for the evaluation of their ability to prevent fire and smoke spreading from one fire compartment to another through an air distribution system.