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4 St 6 Dez 1878 Jahr - Switch board
Beschreibung:
The first phone with a manual switch board was invented in 1878 and it was first debuted in Boston
Zugefügt zum Band der Zeit:
The History of Phones Timeline
By
Sathmini BATAGODA
29 Nov 2017
0
0
635
Datum:
4 St 6 Dez 1878 Jahr
Jetzt
~ 145 years ago
Abbildungen:
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