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17 juill. 1809 - El Alemán Samuel Thomas Soemmerring (1755-1830) inventó el telégrafo electro-químico cuyo principio se basaba en convertir agua en hidrógeno y oxígeno con electricidad.

Ajouté au bande de temps:

HISTORIA DE REDES 1

ByJHON FREDY PARADA HERNANDEZ
31 mars 2019

Date:

17 juill. 1809
Maintenaint
~ Il y a 215 ans
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