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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1960 ano - La OIT y la OMS realizan sus primeros pasos en la ergonomía
Adicionado na linha do tempo:
timeline
By
Jhon Barcasnegras
5 out 2017
0
0
383
Data:
1 jan 1960 ano
Agora
~ 65 years ago
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