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Patents > CPCs : CPC B64C11/006 or CPC B64C17/00 or CPC B64C2700/6271

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FR (407) · US (371) · None (160) · DE (104) · GB (85) · BE (23) · AT (20) · IT (19) · CH (18) · RU (16) · HU (9) · AU (8) · CA (7) · VN (6) · DK (5) · NO (5) · MX (5) · DZ (5)
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None (514) · stability (440) · airplane (345) · automatic stability (196) · design (106) · propulsion (97) · control (95) · aerodynamics (83) · frame (69) · subsystem (64) · equilibrium (64) · wings (63) · propellers (61) · propeller (50) · construction (41) · rudder (40) · lift (39) · pendulum (36) · marine (34) · navigation (31)
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None (629) · FR 6.4 (437) · USPC 244/80 (60) · USPC 244/93 (20) · DE 77h.5 (20) · FR 6.2 (14) · USPC 416/113 (13) · USPC 244/177 (13) · USPC 416/108 (11) · USPC 416/116 (8) · USPC 244/92 (8) · USPC 244/90R (6) · FR 6.3 (6) · USPC 244/71 (5) · DE 77h.6 (5) · FR 5.8 (4) · DE 77h (3) · USPC 244/139 (3)
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