Drilldown: Patents

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Patents > National tech categories : CH 129b or GB 4 framework & Number of text pages: 4-11

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airplane (12) · frame (10) · design (10) · stability (9) · navigation (9) · wings (6) · whole (5) · propeller (4) · landing (3) · Lift (3) · ornithopter (3) · Propellers (3) · construction (3) · HTA (3) · propulsion (3) · subsystem (3)
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Showing below up to 28 results in range #1 to #28.

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