Fedorov Bv 1

1. Drilling tools with compound cutting structure for hydrological and geotechnical drilling
2. Features Structure of the С_diamond‒(WC‒Co)‒ZrO₂ Composite Fracture Surface as a Result of Impact Loading
3. IMPROVEMENT OF THE METHODOLOGY FOR CALCULATING THE EXPECTED DRILLING SPEED WITH PDC CHISELS
4. RESULTS OF PRODUCTION TESTS OF AN EXPERIMENTAL DIAMOND CROWN DURING EXPLORATORY DRILLING IN KAZAKHSTAN
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