Rudolf Gehrke

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Papenburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Mechanism for discharging granular material
- Patent number 4,646,941
- Issue date Mar 3, 1987
- Amazonen-Werke H. Dreyer GmbH & Co. KG
- Franz Grosse-Scharmann
- G05 - CONTROLLING REGULATING