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Patents > CPCs : CPC B64B1/40 or CPC B64C39/008 & Number of diagram pages: 2

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LTA (22) · balloon (12) · parachute (7) · stability (6) · frame (6) · navigation (6) · None (5) · aerodynamics (4) · airship (4) · safety (4) · propulsion (4) · airplane (3) · car (3) · design (2) · hybrid (2) · gas (2) · rudder (2) · propeller (2) · kite (2)
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