Alois Scheunert

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Recklinghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Walking prop for mine tunnels
- Patent number 5,190,414
- Issue date Mar 2, 1993
- Strebtechnik Bochum GmbH & Co.
- Hans-Ferdinand Bemmerl
- E21 - EARTH DRILLING MINING