Acoustics; measurement of sound insulation in buildings and of building elements; part 3: laboratory measurements of airborne sound insulation of building elements (ISO/DIS 140-3)
国外标准现行
标准号:PREN 20140-3-1992
标准名称: 声学.建筑物和建筑单元的隔音测量.第3部分:建筑单元的气载音隔音的实验室测定
英文名称:Acoustics; measurement of sound insulation in buildings and of building elements; part 3: laboratory measurements of airborne sound insulation of building elements (ISO/DIS 140-3)