Drilldown: Patents

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Patents > Office: DE & Inventor country : FR or NL & Number of claims: 2-3

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airplane (8) · frame (7) · LTA (6) · design (5) · navigation (4) · Propulsion (4) · None (3) · wings (3) · propeller (3) · whole (3) · steering (3) · lift (2) · stability (2) · hydroaeroplane (2) · subsystem (2) · car (2) · buoyancy (2) · balloon (2) · wing warping (2)
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