Drilldown: Patents

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Patents > Publication date: 1918 & Family year: 1910 - 1919 & Number of claims: 1-2

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airplane (5) · None (4) · Construction (3) · LTA (3) · airship (3) · Frame (3) · hybrid (2) · aerodynamics (2) · ornithopter (2) · fuel (2) · flapping (2) · piston (2) · propellers (2) · infrastructure (2) · design (2) · compartments (2) · whole (2) · stability (2) · subsystem (2)
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