Klaus Butow

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Freiburg, DE

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Patents Grantslast 30 patents

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Operating device for an electronic switching device with a changeab...
- Patent number 5,614,772
- Issue date Mar 25, 1997
- Bregenhorn, Butow & Co., Elektrotechnische Gerate GmbH
- Klaus Butow
- H01 - BASIC ELECTRIC ELEMENTS