Drilldown: Patents
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Patents > Year granted:
1880 - 1889
& Office :
?? or
IN or
US
& Application number :
494571D or
airfoil or
None
& Supplementary to patent:
None
& IPCs :
IPC B64C31/06 or
IPC B64C39/00
& Number of diagram pages:
4
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Showing below up to 1 result in range #1 to #1.