Drilldown: Patents

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Patents > Inventor country : NL or NZ & Filing date: 1910 - 1919 & IPCs: None

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airplane (13) · None (12) · airfoil (5) · subsystem (5) · stability (5) · frame (4) · navigation (3) · whole (3) · elevator (3) · design (3) · piloting (3) · lift (2) · springs (2) · propeller (2) · safety (2) · wheels (2) · aerodynamics (2) · landing (2)
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Showing below up to 31 results in range #1 to #31.

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