Drilldown: Patents

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Patents > Related to aircraft: Yes & National tech categories: FR 6.3 & Number of text pages: 3-70

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propulsion (9) · navigation (8) · stability (6) · airplane (5) · LTA (5) · Steering (4) · construction (4) · wings (4) · safety (4) · control (4) · propellers (3) · landing (3) · propeller (3) · aerostat (3) · texture (3) · parachute (3) · ascension (3)
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