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

Aggiunto al nastro di tempo:

20th Century

ByRafelle Marie Timog Allego
10 feb 2018
0
0
658

Data:

2 gen 1940 anni
Adesso
~ 84 years ago
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