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Patents > CPCs: CPC B64C11/006

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None (240) · propulsion (81) · propellers (41) · propeller (34) · marine (25) · paddle-wheel (18) · Airplane (14) · Subsystem (12) · Design (12) · LTA (11) · wings (11) · Aerodynamics (11) · Windmill (10) · paddle wheel (9) · aerial propeller (8) · Sustentation (8) · feathering (7) · Lift (7) · navigation (7)
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None (391) · Patent GB-1911-12232 (2) · Patent DE-1912-267069 (2) · Patent FR-1909-410848 (2) · Patent AU-1909-16369 (2)
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None (304) · Armengaud jeune (10) · None (8) · Munn & Co. (5) · J. Bonnet-Thirion (5) · E. Blétry (4) · Y. Rabilloud et fils (4) · Lloyd Wise & Co. (3) · Boult, Wade & Tennant (3) · L. Chassevent (3)
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