NAAMM HMMA 865:2013現行
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
標準編號： NAAMM HMMA 865:2013
發布時間：2013/2/27 0:00:00
標準類別：Standard
出版單位：National Assoc. of Architectural Metal Manufacturers
標準頁數：30
標準簡介
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).
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