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Patents > Supplementary to patent: None & National tech categories: FR 6.4 & Number of figures: 22-50000000

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airplane (8) · stability (4) · LTA (3) · HTA (3) · frame (3) · construction (3) · wings (2) · design (2) · propeller (2) · parachute (2) · dirigible (2) · Hybrid (2) · automatic stability (2)
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