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  • Who invented Open Heart Surgery ?

    Answer:

    Dr. Daniel Hale Williams

Similar Questions :

1. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903

2. Who invented watch ?

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Peter Henlein invented the first portable time piece in 1504

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Answer: John Browning of U.S.A. in 1918.

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Answer: William Harvey of Britain in 1628

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Answer: Dalton of Britain in 1803.

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