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Patents > IPCs : IPC B64B1/58 or IPC H01Q1/28 & Number of figures: 1-2

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LTA (34) · frame (8) · balloon (7) · airship (5) · balloons (5) · propulsion (5) · suspension (4) · design (4) · envelope (3) · stability (3) · Subsystem (3) · texture (3) · compartments (3) · rigid (3) · Gyroscope (2) · construction (2) · lift (2) · propulsion? (2) · fabric (2) · navigation (2)
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Showing below up to 38 results in range #1 to #38.

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