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| Title | On social insurance of adolescents employed in educational workshops in enterprises of commissions for improving the lives of children and companies "Friend of Children" |
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| Series | Дела Секретариата Президиума ЦИК Союза ССР. 1929 г. |
| Fonds | ЦЕНТРАЛЬНЫЙ ИСПОЛНИТЕЛЬНЫЙ КОМИТЕТ СССР (ЦИК СССР). |
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