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Patents > National tech categories: FR 6.4 & Number of diagram pages: 1-2 & Number of figures: 6-9

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Tech fields:
airplane (204) · design (103) · stability (84) · frame (74) · wings (68) · construction (60) · None (45) · propellers (45) · lift (44) · LTA (43) · propulsion (43) · control (42) · aerodynamics (42) · automatic stability (37) · Sustentation (31) · navigation (30) · landing (27) · subsystem (24) · Steering (21)
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Supplementary to patent:
None (281) · Patent FR-1912-446040 (3) · Patent FR-1908-392672 (2) · Patent FR-1912-461530 (2) · Patent FR-1911-436374 (2) · Patent FR-1908-397350 (2) · Patent IT-1910-10-17 Carlo Navaro (2)
Related to aircraft:
Patent agent:
Armengaud jeune (70) · None (44) · None (32) · L. Chassevent (21) · E. Blétry (14) · J. Bonnet-Thirion (13) · Weismann et Marx (11) · Brandon frères (10) · Dupont et Elluin (9) · Schwab (9) · G. de Mestral et F. Harlé (9) · J. Bonnet-Thirion et Breton (8) · J. Germain (8) · Charles Dony (8) · Lavoix et Moses (8) · H. Bœttcher fils (7)
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IPCs:
IPC B64C17/00 (66) · IPC B64C1/00 (51) · IPC B64C39/00 (43) · IPC B64C33/02 (24) · IPC B64B1/00 (24) · IPC B64C3/38 (18) · IPC B64C23/00 (15) · IPC B64C35/00 (15) · None (14) · IPC B64C3/00 (14) · IPC B64C25/00 (12) · IPC B64C11/00 (11) · IPC B64C3/54 (11) · IPC B64C13/00 (10) · IPC B64C27/04 (10) · IPC B64B1/58 (8) · IPC B64C3/56 (8) · IPC B64C33/00 (7) · IPC B64C3/52 (7) · IPC B64D17/00 (6)
CPCs:
CPC B64C17/00 (71) · CPC B64C39/00 (33) · CPC B64C33/02 (26) · CPC B64B1/00 (24) · CPC B64C2700/6218 (24) · CPC B64C2700/6295 (22) · CPC B64C2700/6212 (16) · CPC B64C3/385 (16) · CPC B64C23/005 (15) · CPC B64C3/00 (14) · CPC B64C2700/6274 (13) · CPC B64C1/00 (12) · CPC B64C13/00 (12) · CPC B64C35/00 (12) · CPC B64F2700/6226 (11) · CPC B64C2700/6214 (10) · CPC B64C2700/6256 (9) · CPC B64C33/00 (9) · CPC B64C3/54 (9)
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