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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1980 ano - Se demuestra que la luz puede transportar señales de voz por el aire sin cables.
Adicionado na linha do tempo:
Historia Telecomunicaciones Mundo
By
Nilson Reyes Sigua
6 out 2018
0
0
501
Data:
1 jan 1980 ano
Agora
~ 45 years ago
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