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Patents > Supplementary to patent: None & CPCs : CPC B64C11/006 or CPC B64C11/36

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None (313) · propulsion (58) · propeller (41) · propellers (35) · marine (22) · paddle-wheel (20) · windmill (17) · paddle wheel (9) · LTA (9) · feathering (8) · Airplane (8) · design (8) · aerial propeller (7) · sustentation (7) · control (7) · navigation (6) · wings (5) · aerodynamics (5) · flapping (5)
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None (380) · None (9) · Armengaud jeune (8) · Munn & Co. (6) · J. Bonnet-Thirion (4) · Y. Rabilloud et fils (3) · Picard (2) · Abram Macey? (2) · Boult, Wade & Tennant (2) · Jensen & Son (2) · W. H. Singleton (2) · H. Bœttcher fils (2) · Clement Lean (2)
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