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Noise reduction of a pneumatic rock drill
Design of a compact muffler for a jumbo drill
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Published Year
1970-1979 (2)
Subject
Rock-drills (2) *
Mineral industries--Noise control (1)
Mining machinery--Noise (1)
Noise control (1)
Author
Visnapuu, A. (2) *
Jensen, J. W., (1)
Lay, S. E. (1)
Martin, J. R., (1)
Schwaneke, A. E. (1)