Franz Gebhardt

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Wurselen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Large format fireclay refractory block and method of producing the...
- Patent number 6,239,053
- Issue date May 29, 2001
- VGT Industriekeramik GmbH
- Hans Petschauer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Colored enamel composition for obtaining decorative layers of float...
- Patent number 4,618,538
- Issue date Oct 21, 1986
- Saint-Gobain Vitrage
- Heinfried Emonts
- C03 - GLASS MINERAL OR SLAG WOOL