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Patents > National tech categories : AT 77d or FR 7.3 & Number of figures: 2

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airplane (15) · LTA (10) · design (9) · frame (8) · airship (8) · Construction (6) · control (5) · subsystem (5) · Whole (5) · propulsion (5) · wheels (4) · wings (4) · navigation (4) · propellers (4) · rigid (3) · chassis (3) · stability (3) · Tragfläche (3) · propeller (3) · gas (3)
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Showing below up to 39 results in range #1 to #39.

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