Thorwald Kipp

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Bad Oeynhausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Open-cut mining cutter
- Patent number 4,960,306
- Issue date Oct 2, 1990
- O & K Orenstein & Koppel Aktiengesellschaft
- Thorwald Kipp
- E21 - EARTH DRILLING MINING