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IN323530: A device for roof support of underground mine/tunnel

Patent No:
IN323530
Application No:
0374DEL2010
Filing Date:
19-02-2010
Issue Date:
23-10-2019
Applicant:
CSIR-Central Institute of Mining and Fuel Research (CSIR-CIMFR), Dhanbad
Inventor(s):
Sudhir Kumar Kashyap, Amalendu Sinha
Country:
India
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