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3 feb 1828 año - Robert Backer (Inglaterra)
Descripción:
Propone visitas médicas diarias a las fábricas.
Añadido al timeline:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 dic 2017
0
0
2504
fecha:
3 feb 1828 año
Ahora mismo
~ 197 years ago
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