Drilldown: Patents

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Patents > Office : DE or GB or NL or SE & Applicant firm: None & National tech categories : DE 77h.5 or GB 4 motors or USPC 244/45R or USPC 244/80 & Family year: 1900 - 1909

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airplane (19) · frame (7) · stability (7) · Tragfläche (6) · control (5) · design (5) · propeller (4) · wings (4) · airfoil (4) · automatic stability (4) · wing warping (4) · hybrid (3) · lift (3) · helicopter (3) · navigation (3)
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Showing below up to 32 results in range #1 to #32.

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