Drilldown: Patents

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Patents > Office : BE or FR or NL & Inventor country: BE & Filing date: 1910 - 1919 & Patent agent : Armengaud jeune or None & IPCs: None

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Airplane (24) · None (15) · design (9) · stability (9) · propellers (7) · propulsion (6) · lift (5) · sustentation (4) · hybrid (4) · Equilibrium (4) · wings (4) · construction (4) · Aerodynamics (3) · control (3) · instrument (3)
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Showing below up to 52 results in range #1 to #52.

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