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

Descrição:

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

Adicionado na linha do tempo:

radiotelegrafia en mexico

Byjose arredondo

27 set 2018

0

0

348

Data:

9 dez 1899 ano

Agora

~ 125 years ago

Imagens:

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