Jacques Coppe

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Grande Synthe, FR

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Patents Grantslast 30 patents

Information Patent Grant
Sealing device for a sheet metal treating machine
- Patent number 4,465,086
- Issue date Aug 14, 1984
- Union Siderurgique du Nord et de l'Est de la France
- Jacques Coppe
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...