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Patents > Supplementary to patent : Patent FR-1912-461530 or None & CPCs: CPC B64C11/006

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None (250) · propulsion (47) · propeller (34) · paddle-wheel (20) · marine (19) · propellers (18) · windmill (10) · paddle wheel (9) · LTA (8) · feathering (7) · aerial propeller (7) · aerial propellers (4) · paddle wheels (4) · navigation (4) · stability (4) · water wheel (4) · ascension (3) · subsystem (3) · flapping (3) · airship (3)
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None (157)
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None (288) · None (9) · Armengaud jeune (7) · Munn & Co. (5) · J. Bonnet-Thirion (4) · Y. Rabilloud et fils (3) · H. Bœttcher fils (2) · Boult, Wade & Tennant (2) · Picard (2) · Jensen & Son (2) · W. H. Singleton (2) · Abram Macey? (2)
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