Drilldown: Patents

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Patents > Grant date: 1900 - 1999 & IPCs: IPC B64C3/56 & Number of text pages: 3-11

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Airplane (15) · frame (13) · wings (12) · design (11) · construction (6) · chassis (5) · wheels (5) · None (5) · Landing (4) · folding (4) · propulsion (4) · propellers (4) · rudder (4) · airfoil (3) · elasticity (3) · Cables (3) · control (3) · fuselage (3)
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