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1667 ~El tradtelefon-

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Mao Mánuel

on 10 November 2013

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Transcript of 1667 ~El tradtelefon-

1834 ~ El telégrafo electromagnético
1854~ El primer teléfono
1667 ~El tradtelefon-
1876~ Primer mensaje telefonico
1930~ Primer teléfono de marcado directo
1955~ Videofono
1958~ Princess Phone
1980- 1990'S ~ (2G) Comienzo de la segunda generación
2001~ Tercera Generación
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