BIS IS 12458:2019现行
Fire Resistance of Through Penetration Firestops — Method of Test ( First Revision )
出版：Bureau of Indian Standards
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基本信息
标准编号： BIS IS 12458:2019
出版单位：Bureau of Indian Standards
标准页数：0
标准简介
This standard specifies the method of test and determination of fire resistance rating of through penetration firestops of various materials and construction that are intended for use in openings in fire resistive wall or floor-ceiling assemblies, or both.
本标准替代的旧标准
