Drilldown: Patents

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

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airplane (10) · subsystem (6) · propeller (6) · LTA (6) · propulsion (5) · frame (5) · navigation (3) · fuel (3) · compartments (3) · None (2) · flapping (2) · Tragkörper (2) · stability (2) · ornithopter (2) · wings (2) · dirigible (2) · design (2) · balloon (2) · control (2) · camber (2)
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Showing below up to 36 results in range #1 to #36.

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