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Noise control :proceedings : Bureau of Mines Technology Transfer Seminar, Pittsburgh, Pa., January 22, 1975
Design of a compact muffler for a jumbo drill
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Published Year
1970-1979 (2) *
Subject
Mineral industries--Noise control (2) *
Mining machinery--Noise (1)
Noise control--Congresses (1)
Rock-drills (1)
Author
Lay, S. E. (1)
Martin, J. R., (1)
Schwaneke, A. E. (1)
Visnapuu, A. (1)
