Drilldown: Patents
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Patents > Office
:
FR
or
GB
or
RU
& Filing date:
1918
& Application number:
730418
& Related to aircraft
:
.5?
or
1
or
Other
& CPCs
:
CPC B64C13/00
or
CPC B64C2700/6274 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.