Drilldown: Patents
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Patents > Supplementary to patent:
1913-01-23
& Related to aircraft
:
Yes
or
frame
& CPCs
:
CPC B64B1/58
or
CPC B64C23/005
& Family year:
1910 - 1919 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.