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Алексеев, Георгий Михайлович. История отечественного изобретательства (1917-1991) [электронный ресурс]: Монография / Г. М. Алексеев. — 1. — Москва: Издательство "Известия", 2004 — 136 с. — ВО - Магистратура. — <URL:https://znanium.com/catalog/document?id=16933>. — <URL:https://znanium.com/cover/0345/345184.jpg>.
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