Heinrich Blackert

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Bebra, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of and apparatus for producing gypsum fiber boards (plasterb...
- Patent number 4,734,163
- Issue date Mar 29, 1988
- Babcock-BSH Aktiengesellschaft
- Kurt Eberhardt
- B28 - WORKING CEMENT, CLAY, OR STONE