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Patents > CPCs : CPC B64C11/006 or CPC B64D17/00 (EP)

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None (263) · propulsion (71) · propeller (37) · propellers (25) · marine (22) · paddle-wheel (21) · Subsystem (11) · LTA (11) · Windmill (10) · paddle wheel (9) · aerial propeller (8) · airplane (8) · feathering (7) · navigation (6) · wings (6) · aerodynamics (6) · aerial propellers (5) · lift (5) · frame (5) · airship (5)
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None (393) · Patent AU-1909-16369 (2) · Patent FR-1909-410848 (2) · Patent GB-1911-12232 (2) · Patent DE-1912-267069 (2)
Related to aircraft:
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None (296) · Armengaud jeune (10) · None (9) · Munn & Co. (5) · J. Bonnet-Thirion (5) · E. Blétry (4) · Y. Rabilloud et fils (4) · Boult, Wade & Tennant (3) · Lloyd Wise & Co. (3) · L. Chassevent (3)
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