NAAMM HMMA 865:2013现行
Guide Specifications For Sound Control Hollow Metal Door And Frame Assemblies
出版：National Assoc. of Architectural Metal Manufacturers
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基本信息
标准编号： NAAMM HMMA 865:2013
发布时间：2013/2/27 0:00:00
标准类别：Standard
出版单位：National Assoc. of Architectural Metal Manufacturers
标准页数：30
标准简介
Gives complete assemblies with door, frame and other material required of the manufacturer to obtain the specified Sound Transmission Classification (STC) rating, Outdoor-Indoor Transmission Classification (OITC) rating and/or Sound Transmission Loss (STL).
本标准替代的旧标准
