Jean C. Werguin

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Ronchin, FR

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Patents Grantslast 30 patents

Information Patent Grant
Cast cold rolling roll and its method of manufacture
- Patent number 4,548,653
- Issue date Oct 22, 1985
- Union Siderurgique du Nord et de l'Est de la France (USINOR)
- Jacques Bocquet
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...