Jochen Hartmann

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Schwarzenfeld, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method for rolling out a bar-shaped pre-molding of ceramic material...
- Patent number 3,931,376
- Issue date Jan 6, 1976
- Fetok GmbH
- Jochen Hartmann
- B28 - WORKING CEMENT, CLAY, OR STONE