Wihelm A. Groen

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Substrate of a ceramic material
- Patent number 5,571,757
- Issue date Nov 5, 1996
- U.S. Philips Corporation
- Wihelm A. Groen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES