Государственное высшее учебное заведение "НАЦИОНАЛЬНЫЙ ГОРНЫЙ УНИВЕРСИТЕТ"
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A drill bit has roller cutters placed by means of roll bearings coaxially with the discs that in their turn are fit to slide bearings inserts of which have insulated cavities for filling with compressed medium, besides that the sprockets, roller cutters and discs are placed on axles with possibility of rotation.
UAU201109638U2011-08-022011-08-02Drill bit
UA68321U
(en)
Microcyclic derivative compounds, anaplastic lymphoma kinase inhibitors; pharmaceutical composition; and a method to treat abnormal cell proliferation in a mammal.