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Patents > Office: BE & Inventor country: BE & Assigned to: None & First filing: None

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Airplane (29) · design (12) · LTA (7) · propellers (7) · Frame (6) · sustentation (5) · propulsion (4) · helicopter (4) · Construction (4) · control (4) · hybrid (4) · nacelle (3) · dirigibles (3) · lift (3) · rudder (3) · ascension (3)
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