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20 mar 1922 ano - JORNADA LABORAL DE 8 HS.

Descrição:

La Conferencia Internacional de la Organización Internacional del Trabajo establece la jornada laboral de 8 hs. en todo el mundo

Adicionado na linha do tempo:

TP Evolucion historica del trabajo

ByFranchu
8 nov 2018
0
0
630

Data:

20 mar 1922 ano
Agora
~ 103 years ago
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