Drilldown: Patents

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Patents > Office : AT or BE or HU or MX or SAX & Supplementary to patent : Patent FR-1908-392672 or Patent GB-1911-29012 or None & First filing : Yes or None & Citations from after 1930: None

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airplane (213) · Design (128) · propellers (97) · LTA (82) · frame (81) · propulsion (77) · wings (75) · Construction (63) · subsystem (60) · Stability (51) · aerodynamics (51) · airship (46) · control (41) · whole (41) · lift (37) · flapping (27) · Helicopter (26) · hybrid (25) · steering (25) · None (25)
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None (395)
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