Drilldown: Patents

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Patents > National tech categories : HU V/h or USPC 244/80 & Number of figures: 12-40

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None (5)
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None (6)
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Tech fields:
Airplane (17) · Design (15) · Frame (12) · stability (12) · construction (9) · whole (8) · wings (6) · automatic stability (6) · Propellers (6) · Aerodynamics (6) · Flapping (4) · Equilibrium (4) · None (3) · hybrid (3) · navigation (3) · control (3) · propulsion (3) · Biplane (3)
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None (3)
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Showing below up to 43 results in range #1 to #43.

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