Drilldown: Patents

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Patents > Publication date: 1918 & Number of claims: 0-10 & Number of figures: 2-4

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Airplane (6) · frame (5) · design (4) · None (3) · Construction (3) · propulsion (2) · propellers (2) · military (2) · marine (2) · LTA (2) · instrument (2) · hybrid (2) · aerodynamics (2) · human-powered (2) · wings (2) · airship (2) · biplane (2)
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