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1 Jan 450 Jahr v. Chr. - 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 Okt 2018

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553

Datum:

1 Jan 450 Jahr v. Chr.

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~ 2477 years ago

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