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Patents > Supplementary to patent: None & IPCs : IPC A63H27/00 or IPC B64C17/00

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None (281) · Seine (9) · Loire (5) · Paris (4) · Nord (3) · Meurthe-et-Moselle (3) · Bouches-du-Rhône (2) · Nancy (2) · New York City (2) · New York county (2) · Nièvre (2) · Rhône (2)
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None (60) · None (33) · Armengaud jeune (13) · E. Blétry (9) · J. Bonnet-Thirion (8) · Lavoix et Mosès (7) · Charles Dony (7) · Schwab (6) · J. Germain (5) · Societe A. Frey et de Carsalade (5) · P. Follin (5) · Hippolyte Josse (5) · Matray frères et Cie (4) · Weismann et Marx (4) · H. Boettcher fils (4) · Marks & Clerk (4)
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