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Patents > CPCs : CPC B64C2700/6233 or CPC B64C39/00

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None (551) · Seine (5) · London (5) · Paris (4) · Eure (3) · St. Louis (2) · Var (2) · County of London (2)
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None (447) · Patent FR-1911-429224 (3) · Patent FR-1911-448337 (3) · Patent US-1910-996592 (3)
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None (261) · None (31) · Armengaud jeune (21) · Marks & Clerk (11) · Weismann et Marx (10) · J. Bonnet-Thirion (10) · E. Blétry (8) · Brandon freres (8) · J. Germain (7) · L. Chassevent (6) · Dupont et Elluin (6) · Y. Rabilloud et fils (6) · Lavoix et Mosès (5) · Charles Assi (5) · G. Petiau (5) · Chassevent (5) · Charles Dony (5) · Boramé et Julien (5) · Boult, Wade & Tennant (5)
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