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Kulmbach, DE
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Patent Grant
Internal combustion engine having a hermetically sealed heat exchan...
Patent number
4,979,472
Issue date
Dec 25, 1990
Poehlmann Anwendungstechnik GmbH & Co. KG
Erich Pohlmann
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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