Drills science and technology of advanced operations по Astakhov, Viktor P.

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Precision machining technology

Drilling tools and programme management по Hartley, John S.

Drilling and blasting of rocks по Jimeno, Carlos Lopez

Drilling tools and programme management по Hartley, John S.

High technology in drilling and exploration C.P. Chugh по Chugh, C.P

Tunnel boring machine performance and ground properties report of the initial 1 1/2 km of the North Wear Drive, Kielder Aqueduct по Morgan, J. M.