Andrei P. Semashko

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Ufa, SU

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Patents Grantslast 30 patents

Information Patent Grant
Electrochemical working method and system for effecting same
- Patent number 4,257,865
- Issue date Mar 24, 1981
- Andrei P. Semashko
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrochemical working method and system for effecting same
- Patent number 4,213,834
- Issue date Jul 22, 1980
- Andrei P. Semashko
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR