Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Inventor country: FR & National tech categories : BE K or FR 6.3 or USPC 244/3.23 or USPC 244/90R & CPCs : CPC B64B1/40 or CPC B64C11/006 or None

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airplane (9) · propellers (8) · LTA (8) · design (7) · wings (6) · balloon (5) · sustentation (4) · ballonet (4) · stability (4) · Propulsion (4) · hybrid (3) · aerodynamics (3) · lift (2) · motors (2) · Kite (2) · captive (2) · safety (2) · frame (2) · dirigible (2)
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Showing below up to 28 results in range #1 to #28.

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