Valerie Bour Beucler

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Marco En Baroeuil, FR

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous solution for the cold-working treatment of steel sheet
- Patent number 5,814,247
- Issue date Sep 29, 1998
- Sollac
- Herve Derule
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...