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Investigation of Optimum Thrust, Cutting Speed, and Water Pressure for Tungsten Carbide and Polycrystalline Diamond Compact Roof-Bolt Drill Bits

Published Year

• 1990-1999 (1) *

Subject

• Bits (Drilling and boring) (1) *

Author

• Smelser, Thomas W. (1)
• Sundae, Laxman S. (1)

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