Drilldown: Patents

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Patents > Citations from after 1930: None & Number of text pages: 9-50 & Number of figures: 20-60

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frame (17) · airplane (17) · design (14) · stability (12) · construction (8) · whole (7) · propulsion (7) · fuselage (6) · hybrid (6) · propeller (6) · propellers (5) · HTA (4) · LTA (4) · navigation (4) · parachute (4) · safety (4) · wings (4)
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