Jurgen Hochstrasser

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Saarbrucken, DT

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Patents Grantslast 30 patents

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