Gerd Radner

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Herne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for removing resilient gallery lining frames in m...
- Patent number 4,114,386
- Issue date Sep 19, 1978
- Ruhrkohle, A.G.
- Gerd Radner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and device for lining chambers and galleries
- Patent number 4,100,749
- Issue date Jul 18, 1978
- Runrkohle, A. G.
- Gerd Radner
- E21 - EARTH DRILLING MINING