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Patents Grantslast 30 patents

Information Patent Grant
Device and method for driving tunnels, galleries or the like
- Patent number 9,212,552
- Issue date Dec 15, 2015
- Atlas Copco Rock Drills AB
- Sverker Hartwig
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Device And Method For Driving Tunnels, Galleries Or The Like
- Publication number 20150152728
- Publication date Jun 4, 2015
- Sverker Hartwig
- E21 - EARTH DRILLING MINING