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Patents > CPCs : CPC B64C2700/6245 or CPC B64C2700/6274 or CPC B64C2700/6295

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Tech fields:
None (492) · Airplane (205) · design (106) · frame (100) · stability (78) · construction (60) · wings (58) · propulsion (55) · aerodynamics (49) · propellers (47) · lift (46) · whole (38) · navigation (37) · control (35) · rudder (33) · wheels (27) · propeller (26) · hybrid (25) · airfoil (25)
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Supplementary to patent:
None (733) · Patent FR-1916-502839 (3)
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Patent agent:
None (455) · None (25) · Armengaud jeune (17) · Marks & Clerk (12) · Boult, Wade & Tennant (10) · J. Germain (10) · Weismann et Marx (9) · J. Bonnet-Thirion (8) · E. Blétry (8) · Charles Dony (7) · Boramé et Julien (7) · Paul Caquet (6) · L. Chassevent (6) · G. Petiau (6) · Chassevent (6)
National tech categories:
None (444) · FR 6.4 (262) · USPC 244/45R (48) · USPC 244/13 (32) · USPC 244/90R (9) · USPC 244/87 (8) · USPC 244/91 (7) · USPC 244/50 (5) · USPC 244/48 (5) · USPC 244/35R (4) · USPC 244/903 (4) · USPC 244/119 (4) · USPC 244/113 (4) · USPC 244/233 (4) · DE 77h.5 (4) · USPC 244/100R (4) · FR 6.3 (4)
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