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Published 08:44 IST, April 20th 2020

IIT Delhi prof develops 'Kawach' mask; aimed at mass, inexpensive use after Covid lockdown

In the view of the Coronavirus pandemic, an IIT Delhi professor has developed an alternative for the N-95 masks, called 'Kawach' masks, that are inexpensive

Reported by: Manjiri Chitre
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08:44 IST, April 20th 2020