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20 nov 1910 anni - Surgieron dos demandas: la atención a la salud de los obreros y la creación de leyes que reglamentaron las condiciones de trabajo y la seguridad de los trabajadores y sus familias.
Aggiunto al nastro di tempo:
Historia salud publica
By
Tamabu
18 set 2020
0
0
499
Data:
20 nov 1910 anni
Adesso
~ 114 years ago
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