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Amplificadores da AT&T (27 juin 1913 – 27 juin 1913)

Description:

Aumentando a distância das conversas telefônicas.

Ajouté au bande de temps:

Technology TimeLine By Maurilio Benevento

ByMaurilio Benevento
il y a 9 mois
4
0
7019

Date:

27 juin 1913
27 juin 1913
~ 0 min
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