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3 авг 1877 г. - Se ordena colocar resguardos a las máquinas (Alemania)
Добавлено на ленту времени:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 дек 2017
0
0
1985
Дата:
3 авг 1877 г.
Сейчас
~ 146 г назад
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