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Patents > Office : BE or CA or HU or Other or None & Inventor country : CA or FR or IT & Tech fields : Airplane or subsystem & Number of text pages: 2-6

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None (200) · Armengaud jeune (153) · Weismann et Marx (35) · None (35) · J. Bonnet-Thirion (33) · Hippolyte Josse (30) · Charles Dony (26) · L. Chassevent (22) · Dupont et Elluin (21) · G. de Mestral et F. Harlé (21) · Boult, Wade & Tennant (19) · Haseltine, Lake & Co. (17) · J. Germain (16) · M. Zerolo (14) · Marks & Clerk (14) · Émile Bert (13) · E. Blétry (13) · Boramé et Julien (12) · Paul Blum (12) · Abel & Imray (11)
National tech categories:
FR 6.4 (736) · None (157) · HU V/h (22) · FR 6.2 (19) · DE 77h.5 (17) · FR 6.3 (17) · AT 77d (13) · FR 5.8 (11) · RU Group V (6) · CH 129b (5) · FR 6.8 (5) · USPC 244/6 (4) · FR 5.3 (4) · CH 129c (3) · FR 6.1 (3) · USPC 244/46 (3) · DE 77h.15 (3) · USPC 244/35R (3) · USPC 244/234 (3) · USPC 244/119 (3)
IPCs:
IPC B64C17/00 (149) · IPC B64C1/00 (143) · None (129) · IPC B64C39/00 (110) · IPC B64C3/00 (50) · IPC B64C3/38 (46) · IPC B64C25/00 (43) · IPC B64C13/00 (37) · IPC B64C23/00 (30) · IPC B64C35/00 (25) · IPC B64C3/54 (21) · IPC B64C3/52 (20) · IPC B64C17/06 (18) · IPC B64C11/04 (17) · IPC B64C33/02 (16) · IPC B64C3/56 (14) · IPC B64C11/00 (13) · IPC B64C27/04 (12) · IPC B64C3/18 (11) · IPC B64B1/00 (11)
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