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Patents > Inventor country: DE & Number of diagram pages: 2-7 & Number of figures: 12-40

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propulsion (11) · airplane (9) · stability (8) · frame (7) · None (5) · LTA (5) · navigation (5) · design (5) · propeller (5) · Wings (4) · airship (4) · flapping (4) · balloon (3) · gas (3) · propellers (3) · hybrid (3) · ornithopter (3)
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Showing below up to 38 results in range #1 to #38.

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