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Patents > CPCs : CPC B64B1/40 or CPC B64C25/50 & Number of diagram pages: 2

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LTA (16) · balloon (9) · parachute (7) · stability (6) · safety (5) · frame (4) · Airship (4) · car (3) · None (2) · landing (2) · navigation (2) · control (2) · propeller (2) · gas (2) · kite (2) · rudder (2) · airplane (2) · aerodynamics (2) · suspension (2)
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