Drilldown: Patents

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Patents > National tech categories : FR 6.4 or USPC 244/125 & IPCs: IPC B64B1/00 & Number of figures: 4-5

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LTA (28) · frame (11) · construction (10) · dirigible (8) · airship (7) · navigation (7) · balloon (6) · balloons (5) · propulsion (5) · design (5) · stability (4) · airplane (4) · hybrid (4) · rigid (3) · subsystem (3) · dirigibles (3)
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Showing below up to 34 results in range #1 to #34.

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