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8 jan 1877 ano - central telefonica

Descrição:

se crea la primera central telefonica tras la creacion del primer conmutador en 1877

Adicionado na linha do tempo:

HISTORIA DE LAS TELECOMUNICACIONES-LUIS GOMEZ -1949455

ByLuis Guillermo Gomez Aguirre

26 nov 2018

0

0

466

Data:

8 jan 1877 ano

Agora

~ 148 years ago

Imagens:

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