Gebr. Eickhoff Maschinenfabrik und. Eisengieberei mbH

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Patents Grantslast 30 patents

Information Patent Grant
Bracing device for a self-advancing shield tunnelling machine
- Patent number 5,051,033
- Issue date Sep 24, 1991
- Gebr. Eickhoff Maschinenfabrik und. Eisengieberei mbH
- Heinrich Grotenhofer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Longwall mining machine for the mining of thick mineral seams
- Patent number 4,883,323
- Issue date Nov 28, 1989
- Gebr. Eickhoff Maschinenfabrik und. Eisengieberei mbH
- Friedhelm Henrich
- E21 - EARTH DRILLING MINING