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9 gen 1939 anni - Invention of war helicopter

Descrizione:

The helicopter was invented a long time before but had never been armed before, now this was a super weapon

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Millitary Advancements from 1800-1950

ByNathan O'Sullivan

14 dic 2018

1

1

411

Data:

9 gen 1939 anni

Adesso

~ 86 years ago

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