Drilldown: Patents
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Patents > National tech categories
:
DE 77h.5
or
USPC 244/80
& IPCs
:
IPC B64C3/00
or
None
& CPCs
:
CPC B64B1/58
or
CPC B64C17/00
& Number of claims:
1-3
& Number of diagram pages:
3 ![](/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)
![](/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)
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.