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Northrop YB-49 飞机 » 喷气机 |
1947–1950
书籍
![Northrop YB-49 Flying Wing Pilot's Flight Manual (Lulu.com ) Northrop YB-49 Flying Wing Pilot's Flight Manual (Lulu.com )](/books/img/9/9/1/101991-10000-38-t180.jpg)
Northrop YB-49 Flying Wing Pilot's Flight Manual Pilot's Flight Operating Instructions
Periscope Film.com
2006 /zh/search.php?fkSECTION%5B%5D=Books&q=Northrop%20YB-49?fkSECTION%5B%5D=Books&q=Northrop%20YB-49