Drilldown: Patents
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Patents > Year granted:
1913
& IPCs :
IPC B64C3/18 or
IPC B64C31/06 or
IPC B64C39/00
& CPCs:
CPC B64C39/08
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aerodynamics (1) ·
airfoil (2) ·
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control (2) ·
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Showing below up to 7 results in range #1 to #7.
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