Efim M. Rabinovich

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Tula, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing contacts and electrodes of electric vacuum appa...
- Patent number 4,420,346
- Issue date Dec 13, 1983
- German S. Belkin
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Roll mill stand
- Patent number 4,198,841
- Issue date Apr 22, 1980
- Vladimir N. Vydrin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...