Drilldown: Patents
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Patents > Inventor country
:
BJ
or
GB
& IPCs
:
IPC B64C27/04
or
IPC B64C39/00
& CPCs:
CPC B64C27/12
& First filing
:
No
or
Yes ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 3 results in range #1 to #3.