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Patents > National tech categories : FR 6.2 or FR 6.3 & Number of figures: 11-30

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propulsion (9) · Propellers (7) · Marine (6) · construction (5) · airplane (5) · control (5) · subsystem (4) · steering (4) · design (3) · wings (3)
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Showing below up to 23 results in range #1 to #23.

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