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dec 9, 1899 - Porfirio Díaz anuncia las primeras pruebas de telegrafía sin hilos en el estado de Veracruz.

Description:

Marconi logra comunicarse vía inalámbrica de una a otra orilla del Atlántico

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radiotelegrafia en mexico

Byjose arredondo

27 Sep 2018

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Date:

dec 9, 1899

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~ 125 years ago

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