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Patents > IPCs : IPC B64B1/40 or IPC B64C39/00 & CPCs: CPC B64B1/40 & First filing: No

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LTA (20) · stability (6) · balloon (6) · Design (4) · suspension (4) · airship (4) · Nacelle (4) · Military (4) · aerodynamics (3) · safety (3) · aerostat (3) · frame (3) · captive (3) · balloons (3)
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