Drilldown: Patents

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Patents > Office : CA or DE or FR or Other & Supplementary to patent : Patent GB-1920-04-06 Vickers Limited or Patent US-1913-04-21 George Raymond Lawrence or None & Related to aircraft: 1 & IPCs : IPC B64C11/00 or IPC B64C35/00 & Citations from after 1930: None & Number of text pages: 3-70

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airplane (9) · hydroaeroplane (7) · design (5) · propellers (5) · wings (4) · wheels (4) · chassis (4) · frame (4) · Propulsion (3) · marine (3) · landing (3) · floats (3) · None (3) · construction (3)
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