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22 oct. 1877 - 1876 Teléfono: Primer transmisor de señales acústicas a distancia por medio de señales eléctricas
Ajouté au bande de temps:
Historia de la comunicación
By
cami
29 nov. 2017
0
0
386
Date:
22 oct. 1877
Maintenaint
~ Il y a 148 ans
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