Jean Perrin

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Mandres les Roses, FR

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Patents Grantslast 30 patents

Information Patent Grant
Preform for attaching a holding member to an optical lens, and meth...
- Patent number 5,669,807
- Issue date Sep 23, 1997
- Essilor International Compagnie Generale d'Optique
- Jacques Moreau
- B24 - GRINDING POLISHING