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1 ene 1868 año - Aparecen las leyes de compensación del trabajador(Alemania)
Añadido al timeline:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 dic 2017
0
0
1981
fecha:
1 ene 1868 año
Ahora mismo
~ 156 years ago
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