Achim Kessler

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Patents Grantslast 30 patents

Information Patent Grant
Water-jet drive mechanism for driving and controlling of particular...
- Patent number 4,417,877
- Issue date Nov 29, 1983
- Schottel-Werft. Josef Becker GmbH & Co. KG
- Franz Krautkremer
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT