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