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3 Aug 1877 Jahr - Se ordena colocar resguardos a las máquinas (Alemania)
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:
3 Aug 1877 Jahr
Jetzt
~ 147 years ago
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