Drilldown: Patents
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Patents > Office
:
DE
or
JP
or
US
& Applicant firm:
None
& Filing date:
1800 - 1899
& CPCs:
CPC B64C23/005
& First filing:
No
& 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)
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