Mikhail M. Akhmatov

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Tula, SU

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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