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Patents > IPCs : IPC A45B19/10 or IPC B64C17/00 & Citations from after 1930: None

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None (212) · Patent FR-1908-396249 (4) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent GB-1909-8531‎ (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3)
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None (85) · Armengaud jeune (23) · None (20) · Marks & Clerk (10) · Charles Dony (8) · E. Blétry (8) · P. Follin (7) · J. Bonnet-Thirion (7) · Brandon frères (6) · Abel & Imray (6) · J. Germain (6) · Matray frères et Cie (6) · Schwab (6) · Haseltine, Lake & Co. (5) · Paul Coulomb (5)
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