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1 jan 1868 ano - Aparecen las leyes de compensación del trabajador(Alemania)

Adicionado na linha do tempo:

Revisión histórica de la salud ocupacional y la seguridad industrial

ByDaniel Obando

7 dez 2017

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2653

Data:

1 jan 1868 ano

Agora

~ 157 years ago

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