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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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2 agos 1877 anni - FONOGRAFO Y EL TELEFONO
Descrizione:
Alexander Graham Bell construyó y patentó unas horas antes que su compatriotaElisha Gray el primer teléfono capaz de transmitir y recibir voz humana
Aggiunto al nastro di tempo:
SOCIEDAD DEL CONOCIMIENTO
By
Eder MUÑOZ
23 feb 2019
0
0
208
Data:
2 agos 1877 anni
Adesso
~ 147 years ago
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