GB/T 19889.4-2005现行
Acoustics ? Measurement of sound insulation in buildings and of building elements ? Part 4:Field measurements of airborne sound insulation between rooms
出版：Standardization Administration of China
专家解读视频
基本信息
标准编号： GB/T 19889.4-2005
标准类别：Standard
出版单位：Standardization Administration of China
标准页数：0
等同采用的国际标准
ISO 140-4:1998 - Identical
