Bernard C. R. Chezlepretre

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Versailles, FR

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Patents Grantslast 30 patents

Information Patent Grant
Linear water spray device for cooling sheet metal
- Patent number 5,118,041
- Issue date Jun 2, 1992
- Bertin & Cie
- Georges J. B. Chastang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...