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Patents > CPCs : CPC B64B1/40 or CPC Y10T74/19535 & Number of diagram pages: 2

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LTA (17) · balloon (9) · parachute (7) · stability (6) · frame (4) · airship (4) · safety (4) · car (3) · control (3) · propeller (2) · gas (2) · navigation (2) · None (2) · kite (2) · aerodynamics (2)
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