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Patents > Inventor country: DE & Publication date: 1913 & First filing: No

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airplane (17) · LTA (9) · frame (7) · subsystem (7) · wings (6) · propulsion (6) · design (6) · stability (4) · propellers (4) · construction (4) · lift (3) · Airship (3) · nacelle (3) · dirigibles (3)
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Showing below up to 37 results in range #1 to #37.

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