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Development and usage of modern helicopters (1 janv. 1950 – 1 févr. 1989)
Ajouté au bande de temps:
CEC 4 Timeline: The Brief History of VTOL Aircraft
By
Abisharan Nedun
5 nov. 2023
0
0
78
Date:
1 janv. 1950
1 févr. 1989
~ 39 years
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