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dec 27, 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 Mar 2022
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365

Date:

dec 27, 1906
Now
~ 118 years ago
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