Hermann Haarkotter

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Krefeld, DT

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Patents Grantslast 30 patents

Information Patent Grant
Shaft coupled to surrounding hub
- Patent number 4,025,213
- Issue date May 24, 1977
- Ringfeder GmbH
- Horst-Dieter Schafer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...