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1 jan 1970 ano - Señales luminosas mediante fibras ópticas

Descrição:

Las fibras ópticas transmiten luz , llevando el mensaje luminoso de manera rápida y segura por largas distancias

Adicionado na linha do tempo:

Camila Raimondi 2do BI, burbuja A

ByCamila Raimondi

16 abr 2021

0

0

179

Data:

1 jan 1970 ano

Agora

~ 55 years ago

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