Drilldown: Patents

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Patents > National tech categories : CH 129b or USPC 244/63 & Number of text pages: 3-4

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airplane (16) · design (11) · frame (9) · Stability (8) · takeoff (6) · propellers (6) · Lift (5) · wings (4) · whole (4) · construction (4) · Tragfläche (3) · propeller (3) · ornithopter (3) · navigation (3) · HTA (3) · None (3) · automatic stability (3)
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Showing below up to 37 results in range #1 to #37.

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