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15 déc. 1878 - Sistema de censo

Description:

Censo estadounidense. Se desarrolló un sistema de cómputo mediante tarjetas perforadas.
Se aplicó para el censo de 1890.

Ajouté au bande de temps:

Trabajo practico Linea del tiempo

ByTomas Gonzalez Blasi
4 déc. 2019
0
0
297

Date:

15 déc. 1878
Maintenaint
~ Il y a 146 ans
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