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Patents > Supplementary to patent: None & CPCs: CPC B64C39/08 & Number of diagram pages: 3-20000000

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None (11) · airplane (11) · Stability (7) · frame (7) · multiplane (6) · rudder (5) · wheels (4) · parachute (4) · whole (3) · propeller (3) · navigation (3) · airfoil (2) · universal joint (2) · safety (2) · propellers (2) · wings (2) · control (2) · biplane (2) · car (2) · HTA (2)
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