Inventor: Kumar, Sushil, Rai, Shashi Pandey
Inventor: Parthasarathy, Gopalaswamy
Inventor: Parthasarathy, Gopalaswamy
Inventor: Parthasarathy, Gopalaswamy
Inventor: Lal, Raj Kishori, Singh, Nilakshi
Inventor: Parthasarathy, Gopalaswamy
Inventor: Bhandary, Kudoor Raghunath
Inventor: Bhandary, Kudoor Raghunath