Drilldown: Patents

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Patents > Publication date: 1920 & Number of text pages: 1-2 & Number of claims: 2-3

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airplane (19) · Frame (14) · construction (13) · subsystem (7) · LTA (5) · biplane (5) · design (5) · fuselage (4) · safety (4) · aerodynamics (4) · airship (4) · triplane (4) · wings (4) · Suspension (3) · Tragfläche (3) · navigation (3) · wing (3) · None (3)
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