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30 dic 1875 anni - prototipo de bell

Descrizione:

En este año se invento el primer telefono dispositivo de telecomunicación diseñado para transmitir conversaciones por medio de señales eléctricas

Aggiunto al nastro di tempo:

HISTORIA DE LAS TELECOMUNICACIONES-LUIS GOMEZ -1949455

ByLuis Guillermo Gomez Aguirre

26 nov 2018

0

0

466

Data:

30 dic 1875 anni

Adesso

~ 149 years ago

Immagini:

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