Drilldown: Patents

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Patents > Grant date: March 1913 & Number of text pages: 2-9 & Number of diagram pages: 1

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None (9) · airplane (6) · design (4) · lift (3) · subsystem (3) · construction (3) · sustentation (2) · stability (2) · safety (2) · propellers (2) · navigation (2) · marine (2) · wings (2) · airfoil (2)
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