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Efficiency of percussive drilling with extension rods : Lundberg, B Int J Rock Mech Min SciV24, N4, Aug 1987, P213–222

Publisher: Elsevier Science
Year: 1988
Tongue: English
Weight: 144 KB
Volume: 25
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(88)92114-6

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