Drilldown: Patents

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Patents > Office : HU or IN or IT & Application number : frame or None & IPCs : IPC B64C3/38 or None & Number of figures: 3-4

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airplane (9) · design (6) · wings (5) · safety (4) · Construction (4) · aerodynamics (4) · texture (3) · propellers (3) · instrument (3) · wood (2) · gauge (2) · pressure (2) · piston (2) · parachutes (2) · lift (2) · ICE (2) · engine (2) · airship (2) · cylinder (2)
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Showing below up to 21 results in range #1 to #21.

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