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27 agos 1911 anni - Se aprueba la primera ley que regula la indemnización al trabajado (Wisconsin, Estados Unidos)
Aggiunto al nastro di tempo:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 dic 2017
0
0
2504
Data:
27 agos 1911 anni
Adesso
~ 113 years ago
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