Jean Fromentin

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Courcouronnes, FR

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Patents Grantslast 30 patents

Information Patent Grant
Automatic installation for the forming and thermal treatment of cir...
- Patent number 5,044,611
- Issue date Sep 3, 1991
- Stein Heurtey
- Maurice Beney
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...