Drilldown: Patents
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Patents > Related to aircraft:
.5?
& National tech categories
:
FR 6.2
or
IT 8
or
USPC 244/30
or
USPC 244/80
& IPCs
:
IPC B64C31/06
or
IPC B64C33/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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