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Ing. Walter Hengst GmbH & Co. GmbH
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Muenster, DE
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Patents Grants
last 30 patents
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Patent Grant
Method for removing oil from crankcase ventilation gases and device...
Patent number
6,684,864
Issue date
Feb 3, 2004
Ing. Walter Hengst GmbH & Co. GmbH
Jürgen Busen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES