Gunther Alpers

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Dortmund-Kirchlinde, DT

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulically controlled and driven bucket wheel dredge
- Patent number 3,945,138
- Issue date Mar 23, 1976
- Orenstein & Koppel Aktiengesellschaft
- Helmut Heusler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING