Karl-Heinz Dummel

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Egenhausen, DE

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Patents Grantslast 30 patents

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Muffler for internal-combustion engine exhaust gases and method of...
- Patent number 5,146,052
- Issue date Sep 8, 1992
- Friedrich Boysen GmbH & Co. KG
- Karl-Heinz Dummel
- B60 - VEHICLES IN GENERAL