Drilldown: Patents
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Patents > Office
:
GR
or
US
& Supplementary to patent
:
Patent BE-1909-214032
or
None
& National tech categories
:
FR 6.4
or
IT 8
or
USPC 244/80
& IPCs
:
IPC B64C31/06
or
IPC B64C39/00
& CPCs
:
CPC B64B1/00
or
CPC B64C3/10
& First filing:
Yes ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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