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Patents > CPCs : CPC B64C2700/6233 or CPC B64C39/00 & Number of claims: 4-6

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None (6) · Henri-Marie Coandă (3) · James Jacob Mayrow (3) · William Boyd Alexander (2) · Adolph Ditriech Wittemann (2) · Henri Fournier (2) · John William Harrison (2) · Paul Kauffmann (2) · Maurice-Émile Primard (2) · Eugène Neuville (2) · Charles Rudolph Wittemann (2)
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None (9) · James Jacob Mayrow (3) · Henri-Marie Coandă (3) · John William Harrison (2) · Maurice-Émile Primard (2) · Charles Rudolph Wittemann (2) · Paul Kauffmann (2) · Eugène Neuville (2) · William Boyd Alexander (2) · Adolph Ditriech Wittemann (2) · Henri Fournier (2)
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None (2)
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Armengaud jeune (13) · None (12) · None (8) · Marks & Clerk (3) · Dupont et Elluin (3) · Chassevent (2) · H. Gardner & Son (2) · L. Chassevent (2) · J. Germain (2) · E. Blétry (2) · J. Bonnet-Thirion (2) · Brandon frères (2) · W. P. Thompson & Co. (2)
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