Amalendu Sinha

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Dhanbad, IN

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Patents Grantslast 30 patents

Information Patent Grant
Device for roof support of underground mine/tunnel
- Patent number 9,267,375
- Issue date Feb 23, 2016
- Council of Scientific and Industrial Research
- Sudhir Kumar Kashyap
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR ROOF SUPPORT OF UNDERGROUND MINE/TUNNEL
- Publication number 20130039704
- Publication date Feb 14, 2013
- Sudhir Kumar Kashyap
- E21 - EARTH DRILLING MINING