Drilldown: Patents

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Patents > Number of text pages: 7 & Number of claims: 11-40 & Number of diagram pages: 3-4

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frame (9) · Airplane (9) · Design (7) · navigation (7) · Propellers (6) · stability (5) · rudder (5) · Propulsion (5) · None (4) · wings (4) · takeoff (3) · wheels (3) · Whole (3)
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