Drilldown: Patents
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Patents > Office
:
DK
or
GB
or
MX
or
Other
or
None
& Grant date:
1910
& Granted
:
Yes
or
Other
or
None
& IPCs
:
IPC B64C23/00
or
IPC B64C27/04
& Number of text pages:
4 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 8 results in range #1 to #8.