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2 nov 1898 anni - Se crean controles para responsabilizar a los empresarios por los accidentes laborales(Estados Unidos)

Aggiunto al nastro di tempo:

Revisión histórica de la salud ocupacional y la seguridad industrial

ByDaniel Obando

7 dic 2017

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2 nov 1898 anni

Adesso

~ 127 years ago

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