BS EN 24869-1-1991 标准详情
- 标准号:BS EN 24869-1-1991
- 中文标题:听力保护器的声衰减.主观测量法
- 英文标题:Acoustics - Hearing protectors - Sound attenuation of hearing protectors - Subjective method of measurement
- 标准类别:英国标准
- 发布日期:1991-06-28
Method for measuring sound attenuation at the threshold of hearing, giving consistently reproducible values which are close to the maximum attainable but are unlikely to be achieved in use.
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