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25 дек 1931 г. - se expidió la Ley de Seguro Social, la cual buscaba cubrir los riesgos físicos y económicos que pudieran sufrirlos trabajadores, y que afectaran su capacidad de trabajar.
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carlos
4 сен 2018
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Дата:
25 дек 1931 г.
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~ 93 г назад
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