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New generation drilling bits
Tretyak, A A, Balaba, V I, Popov, V V, Fomenko, N E, Borisov, K A, Tkachev, V AVolume:
87
Language:
english
Journal:
IOP Conference Series: Earth and Environmental Science
DOI:
10.1088/1755-1315/87/5/052029
Date:
October, 2017
File:
PDF, 693 KB
english, 2017