by Ekaterina S. Zhaksybaeva executrix

Follow

Person

Alma-Ata, SU

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for drifting openings in hard rock
- Patent number 4,300,802
- Issue date Nov 17, 1981
- Leonid A. Mitin
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS