Gustav Neu

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Bochum, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electrohydraulic coal-mining system
- Patent number 4,900,091
- Issue date Feb 13, 1990
- Bochumer Eisenhutte Heintzmann GmbH & Co. KG
- Gustav Neu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of separating the upper coal in seams
- Patent number 4,798,417
- Issue date Jan 17, 1989
- Bochumer Eisenhutte Heintzmann GmbH & Co. HG
- Gunter Blumenthal
- E21 - EARTH DRILLING MINING