Walter Lubojatsky

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Recklinghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Mine self-advancing roof support and method of relocating a mine wi...
- Patent number 4,679,856
- Issue date Jul 14, 1987
- Klockner-Becorit GmbH
- Walter Lubojatsky
- E21 - EARTH DRILLING MINING