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29 jan 1960 ano - Empieza a considerarse la seguridad industrial como una ciencia y profesión
Adicionado na linha do tempo:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 dez 2017
0
0
2653
Data:
29 jan 1960 ano
Agora
~ 65 years ago
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