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1 gen 1950 anni - Se fusiona la Empresa de Radiocomunicaciones con Telecom. Operan mas de 1.000 oficinas de la red telegráfica inalámbrica del ministerio de correos y telégrafos. Se ensancha a 16.467 teléfonos el servicio automatizado de Medellín.

Aggiunto al nastro di tempo:

Historia Telecomunicaciones Colombia

ByNilson Reyes Sigua
5 ott 2018
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431

Data:

1 gen 1950 anni
Adesso
~ 75 years ago
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