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Patents > IPCs : IPC B64B1/00 or IPC B64C33/00 & Number of figures: 2-7

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None (263) · Seine (5) · Allegheny county, Pennsylvania (2) · Westminster (2) · Berlin (2) · Hérault (2) · Pittsburgh (2) · London (2) · PA (2)
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None (64)
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None (223) · Patent FR-1913-472867 (2) · Patent FR-1902-317598 (2) · Patent GB-1913-11207 (2) · Patent FR-1907-382794 (2) · Patent ES-1906-38692‎ (2) · Patent IT-1913- (2) · Patent CH-1909-48028 (2) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent US-1914-1108113 (2)
Related to aircraft:
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None (73) · None (17) · Armengaud jeune (12) · Munn & Co. (11) · Boramé et Julien (8) · Hippolyte Josse (6) · Lavoix et Mosès (5) · Dupont et Elluin (5) · Chassevent (5) · C. Blétry (5) · Haseltine, Lake & Co. (5) · Boult, Wade & Tennant (5) · J. Bonnet-Thirion (4) · G. de Mestral et F. Harlé (4) · Brandon frères (4) · E. Blétry (4)
National tech categories:
FR 6.4 (111) · None (53) · FR 6.3 (34) · USPC 244/30 (18) · USPC 244/22 (11) · DE 77 (9) · DE 77h.2 (7) · USPC 244/26 (6) · USPC 244/96 (5) · USPC 244/32 (5) · USPC 244/25 (5) · USPC 244/127 (4) · USPC 244/94 (3) · USPC 244/128 (3) · USPC 244/125 (3) · USPC 244/64 (3) · USPC 104/22 (3) · USPC 244/67 (3) · USPC 244/99 (3)
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