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First phones are sold (1 jan 1877 ano – 1 jan 1878 ano)
Descrição:
by the end of 1877 there were 3000 active private telephones
Adicionado na linha do tempo:
30 out 2018
0
0
337
Technology project
history of phones
Data:
1 jan 1877 ano
1 jan 1878 ano
~ 12 months
Imagens: