Drilldown: Patents

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Patents > National tech categories: None & Number of text pages: 9-50 & Number of figures: 20-40

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airplane (8) · frame (7) · design (7) · stability (6) · fuselage (4) · construction (4) · propellers (3) · whole (3) · HTA (3) · hybrid (3) · marine (2) · propulsion (2) · propeller (2) · ornithopter (2) · aerodynamics (2)
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