Drilldown: Patents

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Patents > Office : IT or LU or SU or None & National tech categories: None

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airplane (9) · None (7) · LTA (6) · navigation (4) · motors (4) · internal combustion (4) · construction (3) · propeller (3) · frame (3) · wings (3) · balloon (2) · propulsion (2) · whole (2) · cylinder (2) · airship (2) · subsystem (2) · flapping (2) · safety (2) · rudder (2)
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Showing below up to 35 results in range #1 to #35.

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