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8 janv. 1877 - central telefonica
Description:
se crea la primera central telefonica tras la creacion del primer conmutador en 1877
Ajouté au bande de temps:
HISTORIA DE LAS TELECOMUNICACIONES-LUIS GOMEZ -1949455
By
Luis Guillermo Gomez Aguirre
26 nov. 2018
0
0
466
Date:
8 janv. 1877
Maintenaint
~ Il y a 148 ans
Les images:
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