NF S31-049-9-1994 标准详情
- 标准号:NF S31-049-9-1994
- 中文标题:声学.建筑物和建筑单元隔音的测量.房间与房间的天花板上方有送气设备的隔气载声的实验室测量
- 英文标题:(Acoustics. Measurements of sound insulation in buildings and of building elements. Part 9 : laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it.)
- 标准类别:法国国家标准
- 发布日期:1994-01-01