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Patents > Tech fields: wings & Supplementary to patent: None & Number of diagram pages: 1-3

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None (152) · Armengaud jeune (36) · None (21) · Weismann et Marx (9) · E. Blétry (9) · Hippolyte Josse (9) · G. de Mestral et F. Harlé (8) · Marks & Clerk (8) · L. Chassevent (5) · Charles Dony (5) · J. Bonnet-Thirion (4) · C. Blétry (4) · Dupont et Elluin (4) · Brierley & Howard (4) · Brandon frères (3) · Mewburn, Ellis & Pryor (3) · J. Germain (3)
National tech categories:
FR 6.4 (175) · None (86) · HU V/h (31) · AT 77d (26) · DE 77h.5 (19) · DE 77h.7 (7) · FR 6.3 (5) · DE 77h (3) · DK 77 (3) · FR 5.3 (3) · CH 129b (3) · USPC 244/35R (3) · USPC 244/90R (3)
IPCs:
None (129) · IPC B64C39/00 (41) · IPC B64C3/00 (33) · IPC B64C1/00 (29) · IPC B64C17/00 (28) · IPC B64C3/56 (16) · IPC B64C33/02 (14) · IPC B64C3/38 (12) · IPC B64C23/00 (10) · IPC B64C3/52 (10) · IPC B64C3/54 (10) · IPC B64C3/48 (8) · IPC B64B1/00 (8) · IPC B64C13/00 (7) · IPC B64C11/00 (6) · IPC B64C3/14 (6) · IPC B64C33/00 (5) · IPC B64C21/02 (4) · IPC B64C1/26 (4) · IPC B64C3/18 (4)
CPCs:
None (88) · CPC B64C3/00 (36) · CPC B64C17/00 (32) · CPC B64C39/00 (27) · CPC B64C2700/6295 (24) · CPC B64C2700/6233 (23) · CPC B64C33/02 (18) · CPC B64C3/56 (17) · CPC B64C2700/6218 (12) · CPC B64C23/005 (11) · CPC B64C13/00 (11) · CPC B64C3/385 (10) · CPC B64C3/54 (10) · CPC B64C3/52 (10) · CPC B64C3/14 (9) · CPC B64C3/48 (9) · CPC B64B1/00 (8) · CPC B64C33/00 (7)
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