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Development and performance of rock drills with muffling devices as means of reducing hearing losses; comparison between decibel pressure level and sound intensity; intensities to which miners may be subjected without any noise abatement control; decibel ratings of rock drills.
Development and performance of rock drills with muffling devices as means of reducing hearing losses; comparison between decibel pressure level and sound intensity; intensities to which miners may be subjected without any noise abatement control; decibel ratings of rock drills.
Noise suppression on rock drills
Can Min Met Bul
Gordon, J.B. (author)
1963
4 pages
Report
English
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