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5 Jan 1890 Jahr - Se generaliza la legislación que protege la sociedad y a los trabajadores contra riesgos laborales (mundialmente)
Zugefügt zum Band der Zeit:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 Dez 2017
0
0
2504
Datum:
5 Jan 1890 Jahr
Jetzt
~ 135 years ago
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