Alexander Dmitrievich Kostylev

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Novosibirsk, SU

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Patents Grantslast 30 patents

Information Patent Grant
Reversing pneumatic percussive device
- Patent number 4,121,672
- Issue date Oct 24, 1978
- Khaim Berkovich Tkach
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS