Drilldown: Patents
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Patents > IPCs
:
IPC B64B1/58
or
IPC B64B1/62
or
IPC B64C3/38
or
IPC B64C31/06
& CPCs
:
CPC A63H27/087
or
CPC B64B1/40
or
CPC B64C2700/6274
& Number of text 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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Showing below up to 1 result in range #1 to #1.