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Patents > Applicant person : Louis-Isidore Henry or None & National tech categories: GB 4 with buoyant

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LTA (24) · whole (14) · propulsion (13) · balloon (11) · frame (8) · car (8) · propeller (6) · metal (6) · rudder (6) · compartments (6) · ascension (5) · navigation (5) · electricity (5) · parachute (4) · gas (3) · marine (3) · wings (3) · jet (3) · valve (3)
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Showing below up to 32 results in range #1 to #32.

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