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Eberhard Witzgall
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Illingen, DE
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last 30 patents
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Patent Grant
Compact four-stroke combustion engine, especially for the use in a...
Patent number
6,659,064
Issue date
Dec 9, 2003
Dolmar GmbH
Rainer Massmann
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES