Igor Ivanovich Sikorsky


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Noun1.Igor Ivanovich Sikorsky - United States industrialist (born in Russia) who designed the first four-engine airplane and the first mass-produced helicopter (1889-1972)Igor Ivanovich Sikorsky - United States industrialist (born in Russia) who designed the first four-engine airplane and the first mass-produced helicopter (1889-1972)
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One of these personalities was our compatriot Igor Ivanovich Sikorsky (Fig.
Many scientific and technical achievements in the field of world aircraft and helicopter design are connected with the name of our famous compatriot Igor Ivanovich Sikorsky, who became one of the largest aircraft designers of the 20th century.
1889-1972 [Aircraft Designer Igor Ivanovich Sikorsky. 1889-1972].