Pinaki Ranjan Ghosh

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Dhanbad, IN

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Patents Grantslast 30 patents

Information Patent Grant
Arch useful for withstanding effect of rockburst occurring in under...
- Patent number 6,102,628
- Issue date Aug 15, 2000
- Council of Scientific & Industrial Research
- Sibnath Maity
- E21 - EARTH DRILLING MINING