Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & IPCs: IPC B64B1/00 & Number of claims: 5-9

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LTA (21) · airship (8) · compartments (7) · hybrid (6) · dirigibles (5) · design (4) · rigid (4) · frame (4) · gas (3) · safety (3) · None (3) · ballonet (3) · balloon (3)
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