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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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23 feb 1889 año - máquina tabuladora (Herman Hollerith)
Añadido al timeline:
raquel bravo
By
raquelbravo
7 nov 2017
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fecha:
23 feb 1889 año
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~ 136 years ago
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