Drilldown: Patents
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Patents > National tech categories
:
DE 77h
or
GB 4 propel & steer
or
USPC 244/30
& IPCs
:
IPC B64C27/04
or
None
& Number of diagram pages:
2-8
& Number of figures:
4-5 ![](/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)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 6 results in range #1 to #6.