Heinz P. Vogts

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Huckelhoven-Rurich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for sinking boreholes
- Patent number 4,548,282
- Issue date Oct 22, 1985
- Wirth Maschinen-und Bohrgerate-Fabrik GmbH
- Georg Hurtz
- E21 - EARTH DRILLING MINING