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dec 18, 1959 - Telefono de tonos

Description:

se implementan los teléfonos de marcion por tonos

Added to timeline:

HISTORIA DE LAS TELECOMUNICACIONES-LUIS GOMEZ -1949455

ByLuis Guillermo Gomez Aguirre

26 Nov 2018

0

0

484

Date:

dec 18, 1959

Now

~ 66 years ago

Images:

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