Johann H. Shroeder

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Dortmund, DE

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Patents Grantslast 30 patents

Information Patent Grant
Multistage arrangement for countercurrent separation and methods of...
- Patent number 4,755,295
- Issue date Jul 5, 1988
- Amberger Kaolinwerke GmbH
- Friedrich Donhauser
- C07 - ORGANIC CHEMISTRY