Drilldown: Patents

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Patents > Inventor country: FR & Filing date: 1800 - 1899 & Number of text pages: 1-2 & Number of diagram pages: 0-20

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LTA (18) · propulsion (11) · navigation (8) · frame (7) · balloon (6) · car (5) · Design (4) · rudder (4) · propellers (3) · gas (3) · safety (3) · parachute (3) · Aerostat (2) · propeller (2) · rigid (2) · flapping (2) · compartments (2) · balloons (2) · ballonet (2)
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