Drilldown: Patents
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Patents > IPCs
:
IPC B64B1/58
or
IPC B64B1/62
or
IPC B64C3/00
or
IPC B64C3/38
or
IPC B64C31/06
& CPCs
:
CPC A63H27/087
or
CPC B64B1/00
& First filing:
No ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/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)
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Showing below up to 2 results in range #1 to #2.