Drilldown: Patents

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Patents > Inventor country : CH or RO & Applicant person: None & IPCs : IPC B64C11/00 or None

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LTA (21) · frame (14) · balloon (13) · navigation (12) · propulsion (12) · propeller (11) · design (8) · None (5) · airplane (4) · car (4) · airfoil (4) · rigid (4) · whole (3)
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Showing below up to 41 results in range #1 to #41.

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