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1 gen 450 anni a. C. - TELÉGRAFO DE TAMBOR: La idea era transmitir la información a través de sonidos que emanaban de un tambor hecho con madera de los árboles. .

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TELECOMUNICACIONES

30 ott 2018

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0

553

Data:

1 gen 450 anni a. C.

Adesso

~ 2477 years ago

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