Marcel Plancon

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Le Chesnay, FR

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Patents Grantslast 30 patents

Information Patent Grant
Procedure and device for rolling metals without stress
- Patent number 4,408,470
- Issue date Oct 11, 1983
- Jeumont Schneider Corporation
- Jacques Fromont
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...