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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 ene 1975 año - La compañia Ericsson patentó la telefonía celular.
Añadido al timeline:
Historia Telecomunicaciones Mundo
By
Nilson Reyes Sigua
6 oct 2018
0
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495
fecha:
1 ene 1975 año
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~ 50 years ago
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