Институт Геотехнической Механики Ім. М.С. Полякова Нан Украины
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Priority to UAU200811698UpriorityCriticalpatent/UA39204U/en
Publication of UA39204UpublicationCriticalpatent/UA39204U/en
Drill mill for blast hole cutting includes rod and drill crown. Besides that it is provided with adapter placed between the rod and drill crown, at that the adapter is coaxial with rod, and drill crown is placed with eccentricity in one millimeter with respect to adapter.
UAU200811698U2008-09-302008-09-30Drill mill for blast hole cutting
UA39204U
(en)