Drilldown: Patents

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Patents > Office : AT or DE or MX & Inventor country : AT or DE & Supplementary to patent: None & National tech categories : AT 37c or DE 77h or FR 6.4 or USPC 244/90R

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LTA (13) · frame (8) · whole (7) · propulsion (7) · propeller (6) · hybrid (5) · subsystem (5) · wings (4) · gas (3) · flapping (3) · dirigible (3) · design (3) · stability (3) · construction (3) · car (3) · balloon (3)
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Showing below up to 45 results in range #1 to #45.

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