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Patents > IPCs : IPC B64C13/00 or IPC B64C17/00 & Number of text pages: 2-3

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None (387) · Seine (10) · Loire (6) · Paris (5) · La Ricamarie (3) · New York City (3) · Nord (3) · Nièvre (2) · Var (2) · Maine-et-Loire (2) · New York (2) · Rhône (2) · New York county (2)
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None (274) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1910-415470 (3) · Patent DE-1911-11-16 Otto Albin Budig (3)
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None (64) · Armengaud jeune (26) · None (24) · Marks & Clerk (12) · E. Blétry (12) · Weismann et Marx (10) · Charles Dony (9) · P. Follin (8) · J. Bonnet-Thirion (8) · H. Bœttcher fils (7) · Abel & Imray (7) · Haseltine, Lake & Co. (7) · J. Germain (7) · Lavoix et Mosès (7) · Herbert Haddan & Co. (6) · Boult, Wade & Tennant (6) · Brandon frères (6) · Brierley & Howard (5) · Y. Rabilloud et fils (5)
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