Drilldown: Patents

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Patents > Publication date: 1900 - 1999 & IPCs : IPC B64B1/40 or IPC E04C3/09

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LTA (22) · balloon (8) · stability (8) · suspension (7) · Nacelle (6) · design (6) · Airship (5) · balloons (4) · ballonet (4) · Aerostat (3) · construction (3) · safety (3) · frame (3) · captive (3) · cables (3) · gas (3) · military (3)
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Showing below up to 32 results in range #1 to #32.

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