Drilldown: Patents

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Patents > Office : DE or GR or Other & Applicant type: None & IPCs: None & Number of text pages: 1

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LTA (20) · balloon (12) · frame (11) · propulsion (7) · propeller (6) · navigation (5) · None (4) · gas (4) · car (4) · stability (4) · compartments (3) · rudder (3) · safety (3) · mooring (3) · anchor (3)
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