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Patents > National tech categories : DE 77h.6 or DK 77 & Number of claims: 3-40

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Airplane (14) · Frame (11) · design (11) · stability (9) · propeller (9) · navigation (8) · propulsion (8) · propellers (7) · subsystem (7) · LTA (6) · Wings (6) · Construction (4) · compartments (3) · balloon (3) · wheels (3) · gas (3) · Lift (3)
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Showing below up to 46 results in range #1 to #46.

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