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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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11 feb 1882 año - The first manual telephone board (switchboard)
Añadido al timeline:
Change in telecommunications
By
Perez Esteban
13 oct 2017
1
0
686
fecha:
11 feb 1882 año
Ahora mismo
~ 143 years ago
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