Manual drilling machines of the type IP I0IIpolupolulyu great spread in the installation and repair work. Their main advantages are small overall dimensions, convenience of energy transportation, high safety, reliability and durability ...
How to cite:
Batalov A.P., Boytsov Y.P., Grachev N.P., Efimov I.A. Investigation of efficiency of manual drilling machines application at mining and engineering enterprises // Journal of Mining Institute. 1981. Vol. 87. p. 117-120.
