Eric Jozef Gentil Blondeel

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Bruges, BE

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Patents Grantslast 30 patents

Information Patent Grant
Working a natural or synthetic hard stone such as a gemstone
- Patent number 5,746,645
- Issue date May 5, 1998
- Gersan Establishment
- David William Beal
- B28 - WORKING CEMENT, CLAY, OR STONE