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Patents > IPCs: IPC B64B1/00 & Number of text pages: 3-4 & Number of figures: 1-4

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LTA (29) · Balloon (10) · dirigible (9) · airship (8) · navigation (6) · aerostat (5) · design (5) · compartments (4) · hybrid (4) · frame (4) · construction (4) · propulsion (3) · ballonet (3) · Balloons (3) · stability (3) · Dirigibles (3)
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Showing below up to 37 results in range #1 to #37.

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