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Application filed by Saroj Kumar Mitra, Nha Hardev Prasad, Krishna Nashidhan Venkat Surya, Das Kennath Naveen, Biswanath Ghosh, Hemant Manohar Nerurkar, Tridivesh Dr Mukherjee, Atindra Nath Dr Mitra, Tata Iron & Steel Co LtdfiledCriticalSaroj Kumar Mitra
Priority to IN687CA1989priorityCriticalpatent/IN172793B/en
Publication of IN172793BpublicationCriticalpatent/IN172793B/en