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Evolución de las comunicaciones
è stato aggiornato 23 apr 2021
Lara
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Agustina Gianelli
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9 apr 2021
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Eventi
Señales de humo y banderas
Señales visuales mediante torres de Chappe
Señales eléctricas mediante cables de cobre
Señales inalámbricas mediante señales de radio
Señales luminosas mediante fibras ópticas.
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