Drilldown: Patents
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- Airplane (18)
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- Patents (17618)
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- Publications (24571)
- Techtypes (2385)
Patents > Year granted:
1920 - 1929
& Office
:
DE
or
Other
& Applicant type:
Other
& IPCs
:
IPC B64B1/40
or
IPC B64C33/00
& CPCs
:
CPC B64B1/40
or
CPC B64C2700/6274 ![](/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)
![](/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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