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Patents > Office: DE & Inventor country : AT or Brazil or None & Number of diagram pages: 1

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Tech fields:
propulsion (9) · LTA (8) · airplane (6) · balloon (6) · None (5) · frame (4) · propeller (4) · flapping (4) · navigation (3) · military (3) · aerodynamics (3) · Tragfläche (3) · design (3) · engine (3) · subsystem (3)
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