Christoph Wohrmeyer

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Wiesbaden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Refractory or fireproof brick as tin bath bottom brick
- Patent number 5,420,087
- Issue date May 30, 1995
- Didier-Werke AG
- Klaus Wieland
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES