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Patents > Office : DEG or GB & Applicant type: None & National tech categories: GB 4 with buoyant

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LTA (21) · whole (14) · propulsion (11) · frame (8) · balloon (8) · metal (6) · compartments (6) · car (6) · rudder (5) · ascension (5) · propeller (4) · parachute (4) · navigation (4) · valve (4) · electricity (3) · marine (3) · jet (3)
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Showing below up to 26 results in range #1 to #26.

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