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1 ene 1980 año - Se demuestra que la luz puede transportar señales de voz por el aire sin cables.
Añadido al timeline:
Historia Telecomunicaciones Mundo
By
Nilson Reyes Sigua
6 oct 2018
0
0
325
fecha:
1 ene 1980 año
Ahora mismo
~ 44 years ago
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