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28 mar 1949 ano - Se propone el estudio de la ergonomía (Estados Unidos)
Adicionado na linha do tempo:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 dez 2017
0
0
2504
Data:
28 mar 1949 ano
Agora
~ 76 years ago
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