Hochstrasser nee Wack; Elisabeth

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Patents Grantslast 30 patents

Information Patent Grant
Turning mechanism operating alternately in opposite directions to f...
- Patent number 4,624,324
- Issue date Nov 25, 1986
- Hochstrasser nee Wack; Elisabeth
- Hans Mathieu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Drilling grab for pile foundations and well boreholes
- Patent number 3,965,999
- Issue date Jun 29, 1976
- Hochstrasser nee Wack; Elisabeth
- Hans Mathieu
- B66 - HOISTING LIFTING HAULING

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