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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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19 feb 1929 año - En la Unión Soviética se implanta la jornada laboral de siete horas
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By
Diego G.
26 mar 2019
0
0
1850
fecha:
19 feb 1929 año
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~ 96 years ago
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