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Mechanism of rock fracture in rotary drilling using a hard alloy bit : Alimov, OD Frunze Polyt. Inst. SU Dvornikov, LT Frunze Polyt. Inst. SU 2F, 16R Soviet Min. Sci. V8, N6, 1972, P677–682


Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
122 KB
Volume
11
Category
Article
ISSN
0148-9062

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