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Patents > Inventor country: DE & Number of text pages: 5-40 & Number of diagram pages: 2-9

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stability (9) · airplane (8) · propulsion (8) · Frame (6) · hybrid (5) · navigation (5) · control (5) · LTA (5) · flapping (5) · Design (4) · gas (3) · None (3) · HTA (3) · propellers (3) · Airship (3) · Subsystem (3)
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Showing below up to 38 results in range #1 to #38.

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