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3 feb 1828 anni - Robert Backer (Inglaterra)

Descrizione:

Propone visitas médicas diarias a las fábricas.

Aggiunto al nastro di tempo:

Revisión histórica de la salud ocupacional y la seguridad industrial

ByDaniel Obando

7 dic 2017

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2653

Data:

3 feb 1828 anni

Adesso

~ 197 years ago

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