Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & Inventor country : BE or DE & National tech categories: None & IPCs : IPC B64C23/00 or None & Number of text pages: 1-2

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airplane (6) · LTA (6) · frame (5) · propeller (4) · subsystem (3) · balloon (3) · design (3) · None (2) · propellers (2) · fabric (2) · propulsion (2) · storage (2) · hangar (2) · airfoil (2) · military (2) · wings (2) · airship (2) · launching (2)
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Showing below up to 23 results in range #1 to #23.

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