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21 déc. 1889 - Se tabula el censo estadounidense empleando las máquinas de tarjetas perforadas de Herman Hollerith
Ajouté au bande de temps:
innovadores
By
Katerin gaitan
3 oct. 2018
0
0
373
Date:
21 déc. 1889
Maintenaint
~ Il y a 135 ans
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