Drilldown: Patents

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Patents > CPCs: CPC B64B1/00 & Number of claims: 5

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LTA (20) · navigation (8) · frame (7) · balloon (7) · propulsion (5) · Dirigibles (5) · propeller (4) · safety (4) · car (4) · Hybrid (4) · Design (4) · landing (3) · wheels (3) · balloons (3) · rigid (3)
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