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29 янв 1960 г. - Empieza a considerarse la seguridad industrial como una ciencia y profesión
Добавлено на ленту времени:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 дек 2017
0
0
2504
Дата:
29 янв 1960 г.
Сейчас
~ 65 г назад
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