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Development and usage of modern helicopters (1 ene 1950 año – 1 feb 1989 año)

Añadido al timeline:

CEC 4 Timeline: The Brief History of VTOL Aircraft

ByAbisharan Nedun
5 nov 2023
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78

fecha:

1 ene 1950 año
1 feb 1989 año
~ 39 years
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