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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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27 dic 1919 anni - La cracion del primer magnetron
Descrizione:
fue inventado por Albert Hull en 1920, pero no era capaz para las altas frecuencias y se utilizó poco
Aggiunto al nastro di tempo:
New timeline
By
ivan salviulo
30 mar 2022
2
0
365
Data:
27 dic 1919 anni
Adesso
~ 105 years ago
Immagini:
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