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Patents > Office: FR & IPCs : IPC B64C39/00 or None & First filing: Yes

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None (165) · airplane (91) · LTA (80) · propulsion (63) · Navigation (46) · design (36) · Frame (26) · stability (25) · balloon (25) · Wings (24) · Control (20) · Propellers (19) · lift (16) · whole (16) · aerodynamics (16) · Construction (15) · aeroplane (14) · balloons (14)
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None (324) · None (21) · Armengaud jeune (20) · Chassevent (8) · J. Germain (8) · Borame et Julien (7) · Lavoix et Mosès (6) · Société Marillier et Robelet (6) · L. Chassevent (5) · Weismann et Marx (5) · E. Blétry (5) · C. Blétry (5) · Dupont et Elluin (5) · Blétry aîné (5) · Dumas (4) · Brandon freres (4)
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CPCs:
None (254) · CPC B64C39/00 (130) · CPC B64C2700/6295 (109) · CPC B64C17/00 (17) · CPC B64C39/005 (10) · CPC B64C39/08 (9) · CPC B64C39/008 (9) · CPC B64C33/02 (9) · CPC B64C3/00 (9) · CPC B64C2700/6218 (7) · CPC B64C11/006 (6) · CPC B64C2700/6235 (5) · CPC B64C3/385 (5) · CPC B64C2700/6281 (5)
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