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2 nov 1898 - Se crean controles para responsabilizar a los empresarios por los accidentes laborales(Estados Unidos)
Ajouté au bande de temps:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 déc. 2017
0
0
2648
Date:
2 nov 1898
Maintenaint
~ Il y a 127 ans
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