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27 dez 1906 ano - Creacion de la valvula

Descrição:

En 1907, inventaba la válvula que modula las ondas de radio que se emiten y de esta manera creó ondas de alta potencia en la transmisión.

Adicionado na linha do tempo:

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Byivan salviulo
30 mar 2022
2
0
365

Data:

27 dez 1906 ano
Agora
~ 118 years ago
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