Ernst E. Harms

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Hattingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cutter-loader apparatus having overhung shearer drum
- Patent number 4,445,724
- Issue date May 1, 1984
- Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
- Hans Groger
- E21 - EARTH DRILLING MINING