Drilldown: Patents

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Patents > Office : AU or HU or IN or IT & Application number : frame or None & IPCs : IPC B64C3/38 or None & Number of claims: 3-6

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airplane (21) · frame (11) · design (8) · propulsion (6) · wings (5) · Stability (5) · lift (4) · Whole (4) · aerodynamics (4) · propeller (4) · airship (3) · helicopter (3) · instrument (3) · landing (3)
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Showing below up to 43 results in range #1 to #43.

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