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Patents > CPCs : CPC B64B1/00 or CPC B64C39/00 & Number of figures: None

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None (319) · LTA (106) · propulsion (28) · frame (27) · navigation (19) · airplane (15) · propeller (15) · stability (12) · balloon (12) · design (11) · hybrid (11) · safety (10) · dirigible (10) · construction (8) · propellers (7) · car (7) · aerodynamics (7) · Lift (6) · subsystem (6) · fabric (6)
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None (304) · FR 6.4 (79) · USPC 244/30 (21) · FR 6.3 (12) · USPC 244/26 (10) · USPC 244/125 (6) · USPC 24/713.8 (6) · USPC 244/29 (5) · USPC 244/25 (4) · USPC 244/97 (3) · DE 77h.2 (3) · USPC 244/28 (3) · USPC 244/128 (3) · USPC 244/67 (3) · USPC 244/93 (3) · USPC 244/91 (2) · FR 6.2 (2) · USPC 244/139 (2) · USPC 244/135R (2) · DE 77h (2)
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