Drilldown: Patents

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Patents > Number of text pages: 6-7 & Number of claims: 8-10 & Number of figures: 12-50

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stability (13) · airplane (8) · None (5) · wings (5) · propellers (4) · construction (3) · navigation (3) · automatic stability (3) · propeller (3) · biplane (3) · equilibrium (3) · lift (2) · propulsion (2) · frame (2) · fabric (2) · design (2) · chassis (2) · safety (2) · ballonet (2)
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