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1 янв 1876 г. - Teléfono - 1876
Описание:
Elisha Gray y Alejandro Graham Bell compitieron cerradamente para construir el primer teléfono funcional hasta que en 1876 Graham Bell ganó (por poco). En la actualidad, se estima que hay unas 1,300 millones de líneas telefónicas en el mundo.
Добавлено на ленту времени:
Inventos que revolucionaron el mundo
By
HUGO VARELA
21 сен 2018
0
0
329
Дата:
1 янв 1876 г.
Сейчас
~ 148 г назад
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