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Patents > Office : FI or LU & Granted: Yes

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LTA (7) · airplane (6) · propulsion (6) · navigation (5) · motors (4) · propeller (4) · internal combustion (4) · stability (3) · subsystem (3) · wings (2) · frame (2) · electricity (2) · balloon (2) · cylinder (2) · None (2)
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Showing below up to 35 results in range #1 to #35.

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