Drilldown: Patents
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Patents > Office
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& IPCs
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IPC B64B1/00
or
IPC B64B1/40
or
IPC B64C3/00
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IPC F16F9/34
& CPCs:
CPC F02K1/28 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 2 results in range #1 to #2.