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2 jan 1940 ano - English physicists John Randall and Harry Boot develop a compact magnetron for use in aeroplane radar navigation systems

Adicionado na linha do tempo:

20th Century

ByRafelle Marie Timog Allego
10 fev 2018
0
0
658

Data:

2 jan 1940 ano
Agora
~ 84 years ago
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