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Patents > National tech categories: GB 4 with buoyant & First filing: None & Number of claims: None

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LTA (22) · whole (10) · propulsion (10) · balloon (8) · frame (7) · car (7) · valve (6) · rudder (6) · ascension (5) · propeller (5) · compartments (5) · navigation (4) · marine (4) · jet (4) · metal (4) · wings (3) · gas (3)
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Showing below up to 27 results in range #1 to #27.

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