BS EN 24869-1 标准详情
- 标准号:BS EN 24869-1
- 中文标题:
- 英文标题:Sound Attenuation Of Hearing Protectors - Subjective Method Of Measurement
- 标准类别:英国标准BS
- 发布日期:
Describes a method for measuring sound attenuation of hearing protectors at the threshold of hearing, to yield values close to the maximum attenuation which are not normally attained under field conditions. This has been adopted because the attenuati
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