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27 déc. 1906 - Creacion de la valvula

Description:

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.

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Byivan salviulo
30 mars 2022
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0
365

Date:

27 déc. 1906
Maintenaint
~ Il y a 118 ans
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