Evgeny Fedorovich Prutkin

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Sverdlovsk, SU

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Patents Grantslast 30 patents

Information Patent Grant
Billet-storage device for drawbenches
- Patent number 4,034,590
- Issue date Jul 12, 1977
- Jury Fedorovich Shevakin
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...