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10 Sept 1874 Jahr - Se implementan las inspecciones para verificar el cumplimiento de normas, de caracter formal (Inglaterra)
Zugefügt zum Band der Zeit:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 Dez 2017
0
0
2504
Datum:
10 Sept 1874 Jahr
Jetzt
~ 150 years ago
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