Drilldown: Patents

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Patents > Number of text pages: 6-50 & Number of diagram pages: 1-2 & Number of figures: 20-30

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None (9) · Airplane (8) · Design (7) · stability (6) · Whole (4) · propulsion (4) · frame (3) · propellers (3) · Construction (3) · Aerodynamics (3) · monoplane (2) · LTA (2) · gas (2) · fuselage (2) · hybrid (2) · wings (2) · biplane (2) · ballonet (2) · balloon (2) · fabric (2)
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