Hinrich Weyhausen

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287 Delmenhorst, DT

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Patents Grantslast 30 patents

Information Patent Grant
Excavator having a swivel joint between the main arm and the jib
- Patent number 3,999,670
- Issue date Dec 28, 1976
- Hinrich Weyhausen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING