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Patents > Office : DE or DK or GR & Inventor country: FR & IPCs: None

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LTA (13) · frame (9) · balloon (8) · airplane (7) · propulsion (7) · subsystem (6) · propeller (3) · wing warping (3) · gas (3) · navigation (3) · stability (3)
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Showing below up to 41 results in range #1 to #41.

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