Erwin Koelbl

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Villeret, CH

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Patents Grantslast 30 patents

Information Patent Grant
Dial including brilliants, appliques or other applied elements and...
- Patent number 6,404,704
- Issue date Jun 11, 2002
- Eta S.A. Fabriques d'Ebauches
- Christophe Bossel
- G04 - HOROLOGY