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Anton_Flettner Tham khảoThực đơn
Anton_Flettner Tham khảoLiên quan
Antonio Rüdiger Antony Matheus dos Santos Antonov An-2 Antonio Cassano Antonov An-124 Ruslan Antonio Conte Antonio Vivaldi Anton Pavlovich Chekhov Antonov An-225 Mriya Antonov An-24Tài liệu tham khảo
WikiPedia: Anton_Flettner http://www.britannica.com/biography/Anton-Flettner http://www.helis.com/pioneers/f_flet.php http://www.hubschraubermuseum.de/archiv/personnlic... http://www.mare.de/mare/hefte/beitrag-buend.php?id... http://www.neam.co.uk/helicopters/flettner.html https://web.archive.org/web/20181118223140/http://... https://commons.wikimedia.org/wiki/Anton_Flettner?...