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Patents > Inventor country: BE & Granted: Yes & Number of claims: 2-5

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airplane (12) · Propulsion (9) · propellers (7) · stability (5) · design (5) · subsystem (4) · control (4) · None (3) · construction (3) · Steering (3) · LTA (3) · gas (3) · Dirigibles (3) · wings (3) · ascension (3)
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Showing below up to 38 results in range #1 to #38.

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