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Winifried Distelrath
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Stuttgart, DE
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Patent Grant
Internal-combustion engine having an oil return system
Patent number
5,572,968
Issue date
Nov 12, 1996
Dr. Ing. h.c.F. Porsche AG
Hans-Joachim Esch
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS