Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Office : DE or None & Application number: None & National tech categories: DE 77h.5

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airplane (24) · stability (11) · Tragfläche (10) · frame (8) · Design (8) · airfoil (7) · control (6) · Wings (4) · wing warping (4) · automatic stability (3) · camber (3) · lift (3) · hybrid (3) · propeller (3) · helicopter (3) · navigation (3)
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Showing below up to 38 results in range #1 to #38.

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