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Christian Schaffrin
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Konstanz, DE
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last 30 patents
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Patent Grant
Energy-generating plant, particularly propeller-type ship's propuls...
Patent number
5,235,266
Issue date
Aug 10, 1993
Schottel-Werft Josef Becker GmbH & Co. KG
Christian Schaffrin
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT