Alfred Giesau

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Stuhr, DE

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Patents Grantslast 30 patents

Information Patent Grant
Geared hub with freewheel, especially for wheel-chairs
- Patent number 4,727,965
- Issue date Mar 1, 1988
- Sanitatshaus Heinrich Oesterreich GmbH
- Wolfgang Zach
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE