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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 gen 1931 anni - Se crea el Servicio de Sanidad de los Estados y se promulgó la Ley Federal del Trabajo que fue un avance importante en la protección del trabajador
Aggiunto al nastro di tempo:
Historia salud publica
By
Tamabu
18 set 2020
0
0
502
Data:
1 gen 1931 anni
Adesso
~ 94 years ago
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