Drilldown: Patents
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Patents > Office
:
CA
or
US
& Application number
:
1910556008
or
344263D
or
None
& National tech categories
:
HU V/h
or
USPC 244/80
& IPCs
:
IPC B64C17/00
or
IPC F02N5/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 2 results in range #1 to #2.