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Patents > CPCs: CPC B64B1/40 & Number of claims: 3-5 & Number of diagram pages: 0-20

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LTA (27) · balloon (13) · stability (10) · airship (7) · safety (5) · frame (5) · parachute (5) · Design (4) · rudder (4) · balloons (3) · car (3) · construction (3) · navigation (3) · fun (3) · dirigible (3)
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