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Patents > CPCs : CPC B64C11/006 or CPC B64F2700/6284

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None (239) · propulsion (87) · propellers (43) · Propeller (36) · marine (27) · paddle-wheel (21) · airplane (15) · subsystem (12) · LTA (12) · Design (12) · Wings (11) · aerodynamics (11) · Windmill (10) · Sustentation (10) · paddle wheel (9) · aerial propeller (8) · navigation (7) · lift (7) · flapping (7) · feathering (7)
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None (396) · 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 (301) · Armengaud jeune (10) · None (9) · Munn & Co. (5) · J. Bonnet-Thirion (5) · E. Blétry (4) · Y. Rabilloud et fils (4) · L. Chassevent (3) · Boult, Wade & Tennant (3) · Lloyd Wise & Co. (3)
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