Drilldown: Patents

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Patents > National tech categories: DK 77 & Number of claims: 3-40

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Airplane (14) · design (11) · Frame (10) · navigation (8) · Stability (8) · wings (6) · LTA (6) · subsystem (5) · construction (4) · propulsion (3) · Lift (3) · gas (3) · propellers (3) · compartments (3) · wheels (3) · balloon (3)
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Showing below up to 31 results in range #1 to #31.

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