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 Helicopters and Autogiros: A History of Rotating-Wing and V/STOL AviationАвиация / Helicopters and Autogiros: A History of Rotating-Wing and V/STOL Aviation  Название: Helicopters and Autogiros: A History of Rotating-Wing and V/STOL Aviation Издательство: Lippincott Год: 1969 Формат: PDF Страниц: 280 Язык: English Размер: 148 MB 
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