Drilldown: Patents

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Patents > Inventor country : AH or DE or NL & IPCs : IPC B64C23/00 or IPC B64C3/00

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Tech fields:
airplane (34) · frame (29) · construction (18) · wings (12) · design (12) · None (10) · propeller (9) · stability (9) · biplane (8) · takeoff (5) · fuselage (5) · hybrid (5) · airfoil (4) · propellers (4) · whole (4) · navigation (4) · gyroscope (4)
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None (27)
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Cites these patents:
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Showing below up to 69 results in range #1 to #69.

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