Mechanical drilling tools and drilling installations, namely, drilling machines, drilling rigs, pile top drilling rigs; gears for machines and motorized drives for machines, all for use in the fields of water management, the construction industry, mining, marine technology, and for exploratory drilling; rotary table drilling rigs, core drilling rigs, well drilling rigs, pole drilling rigs, shaft drilling rigs, large-hole drilling rigs, blast-hole drilling rigs, investigation drilling rigs, in...