BS EN ISO 11654-1997 标准详情
- 标准号:BS EN ISO 11654-1997
- 中文标题:声学.建筑物用吸声装置.吸声定标
- 英文标题:Acoustics - Sound absorbers for use in buildings - Rating of sound absorption
- 标准类别:英国标准
- 发布日期:1997-11-15
1 This International Standard specifies a method by which the frequency-dependent values of the sound absorption coefficient can be converted into a single number. Before this is done, the one-third-octave band values of the sound absorption coeffi
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