Drilldown: Patents

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Patents > Number of text pages: 9-50 & Number of figures: 20-40

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airplane (19) · frame (14) · stability (12) · design (11) · whole (7) · propulsion (6) · construction (6) · propellers (6) · hybrid (5) · HTA (5) · marine (5) · safety (5) · military (5) · propeller (5) · parachute (4) · navigation (4) · wings (4) · fuselage (4)
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