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  • Who invented Helicopter ?

    Answer:

    Igor Sikorsky

Similar Questions :

1. Who invented Printing Press ?

Answer:

Johannes Gutenberg

2. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

3. Who invented HIV ?

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Dr Robert Gallo invented HIV test

4. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

5. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

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Peter Carl Goldmark

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Charles H. Townes

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