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Patents > Inventor country : DE or DK or FR & IPCs: IPC B64C3/56

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airplane (26) · wings (17) · frame (13) · design (11) · folding (7) · construction (5) · Landing (5) · None (4) · chassis (4) · wheels (4) · elasticity (4) · rudder (4) · airfoil (4) · skids (3) · cables (3) · control (3) · propellers (3) · propulsion (3) · fuselage (3)
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Showing below up to 42 results in range #1 to #42.

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