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Drillability studies :impregnated diamond bits
Drillability studies-laboratory percussive drilling
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Published Year
1960-1969 (2)
Subject
Boring (2) *
Rock-drills (2)
Bits (Drilling and boring) (1)
Diamond bits (1)
Author
Madson, Dick. (2) *
Paone, James. (2)
Bruce, William E. (1)
