Drilldown: Patents
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Patents > National tech categories:
DE 77h.5
& CPCs
:
CPC B64C13/00
or
CPC B64C2700/6256
& First filing:
No ![](/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 16 results in range #1 to #16.