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Sikorsky_S-39 Tham khảoThực đơn
Sikorsky_S-39 Tham khảoLiên quan
Sikorsky UH-60 Black Hawk Sikorsky CH-53E Super Stallion Sikorsky CH-53 Sea Stallion Sikorsky H-34 Sikorsky H-19 Chickasaw Sikorsky H-5 Sikorsky S-52 Sikorsky R-4 Sikorsky Ilya Muromets Sikorsky S-38Tài liệu tham khảo
WikiPedia: Sikorsky_S-39 http://www.spiritofigor.com http://www.airminded.net/sikorsky1/s39.html https://commons.wikimedia.org/wiki/Category:Sikors...