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4 ноя 1939 г. - First practical helicopter was made.

Описание:

Igor Sikorsky, a Russian-American inventor created the first practical to use helicopter called the VS-300 which was a single rotor aircraft.

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ByBenjamin Snyder

3 мая 2018

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4 ноя 1939 г.

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~ 86 г назад

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