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14 fev 1876 ano - Téléphone Alexander Graham Bell

Descrição:

Le 14 février 1876, l'Américain d'origine anglaise Alexander Graham Bell dépose un brevet pour un système de transmission de la voix. Quelques heures plus tard, son compatriote Elisha Gray fait de même.

Adicionado na linha do tempo:

Life

ByJohn Lev
21 out 2017

Data:

14 fev 1876 ano
Agora
~ 148 years ago
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