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Patents > Office : CA or HU & Number of text pages: 5

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Airplane (13) · Design (7) · Frame (4) · Whole (4) · stability (4) · Propellers (4) · construction (4) · lift (3) · propulsion (3) · propeller (3) · motors (3) · safety (2) · LTA (2) · Aerodynamics (2) · hybrid (2) · wings (2) · balloon (2) · automatic stability (2) · biplane (2)
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