Drilldown: Patents

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Patents > CPCs: CPC B64B1/58 & Number of claims: 1-5 & Number of figures: 4-6

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LTA (26) · frame (9) · balloon (8) · airship (6) · navigation (4) · ballonet (4) · design (4) · Dirigibles (3) · compartments (3) · construction (3) · Dirigible (3) · propeller (3) · gas (3) · rudder (2) · semi-rigid (2) · propulsion (2) · collapsible (2)
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