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Patents > IPCs: IPC B64B1/58 & Number of diagram pages: 1 & Number of figures: 1-2

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LTA (30) · frame (7) · balloon (6) · Propulsion (5) · airship (5) · balloons (4) · design (4) · compartments (3) · rigid (3) · suspension (3) · Propulsion? (2) · construction (2) · texture (2) · Aerodynamics (2) · Subsystem (2) · navigation (2) · lift (2) · stability (2) · envelope (2) · fabric (2)
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