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12 févr. 1903 - En 1903 Lee De Forest inventa el triodo, también llamado bulbo o válvula de vacío.
Ajouté au bande de temps:
Historia de la Inteligencia Artificial
By
David
27 janv. 2018
0
0
737
Date:
12 févr. 1903
Maintenaint
~ Il y a 122 ans
Les images:
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