Ulrich Wantig

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Lubeck, DE

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Patents Grantslast 30 patents

Information Patent Grant
Bucket wheel dredging device
- Patent number 4,646,449
- Issue date Mar 3, 1987
- O & K Orenstein & Koppel Aktiengesellschaft
- Siegfried Steinkuhler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING