Drilldown: Patents
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Patents > Year filed:
1916
& Related to aircraft :
.5 or
.5? or
Yes
& National tech categories:
USPC 244/80
& IPCs :
IPC B64C17/00 or
IPC B64C31/06
& CPCs :
CPC B64C17/00 or
CPC B64C2700/6295
& Number of figures:
4
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Showing below up to 1 result in range #1 to #1.