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Patents > Grant date: March 1913 & Citations from after 1930: None & Number of text pages: 2-9

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None (11) · Airplane (11) · design (5) · construction (4) · subsystem (4) · propellers (4) · propulsion (3) · navigation (3) · marine (3) · LTA (3) · lift (3) · frame (3) · wings (3)
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