Drilldown: Patents

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Patents > Office : DE or RU or SE & Inventor country : FR or NL & Number of text pages: 1

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LTA (10) · balloon (4) · propeller (3) · airplane (3) · navigation (3) · car (3) · design (3) · propulsion (3) · subsystem (3) · motor (2) · wings (2) · gas (2) · frame (2) · stability (2)
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