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1 janv. 1920 - Lee De Forest

Description:

Lee De Forest inventó el triodo, una mejora de la válvula de vacío.

Ajouté au bande de temps:

Primera Parte Electronica

ByCinthya Guadalupe Nunez Leyva
15 mars 2024
0
0
64

Date:

1 janv. 1920
Maintenaint
~ Il y a 105 ans

Les images:

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