Walthorst Herwig

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Erkelenz/Hetzerath, DE

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Patents Grantslast 30 patents

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Planing machine for underground mining with a cutter in the transit...
- Patent number 4,477,119
- Issue date Oct 16, 1984
- Halbach & Braun Maschinenfabrik GmbH & Co.
- Gert Braun
- E21 - EARTH DRILLING MINING