Siegbert Lehmann

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Plochingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sintered molding
- Patent number 5,830,816
- Issue date Nov 3, 1998
- Cerasiv GmbH Innovatives Keramik-Engineering
- Wolfgang Burger
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES