Drilldown: Patents
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Patents > Grant date:
1900 - 1909
& IPCs
:
IPC B64C23/00
or
IPC B64C33/02
or
IPC B64C39/00
& Number of text pages:
4-6000000
& Number of claims:
None ![](/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)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 6 results in range #1 to #6.