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Patents Grantslast 30 patents

Information Patent Grant
All-conditions tunnel boring machine
- Patent number 7,832,960
- Issue date Nov 16, 2010
- The Robbins Company
- Lok Home
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ALL-CONDITIONS TUNNEL BORING MACHINE
- Publication number 20100148566
- Publication date Jun 17, 2010
- Lok Home
- E21 - EARTH DRILLING MINING