Tag Archives: delhi engineer
Delhi engineer developed world’s cheapest
25-year-old Diwakar Vaish has invented the world’s smallest and cheapest ventilator. It costs only ₹20,000. It is being tested at AIIMS, Delhi.
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25-year-old Diwakar Vaish has invented the world’s smallest and cheapest ventilator. It costs only ₹20,000. It is being tested at AIIMS, Delhi.