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12 dez 1901 ano - Une Communication en morse est établie sur 3400 Km.

Descrição:

l'ingenieur italien marconi en est l'auteur.

Adicionado na linha do tempo:

Les evolutions technologiques,comment communiquer a distance ?

Bystefan
29 mar 2021
2
2
4812

Data:

12 dez 1901 ano
Agora
~ 123 years ago

Imagens:

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