Drilldown: Patents
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- Techtypes (2381)
Patents > Grant date:
1890 - 1899
& Related to aircraft:
None
& National tech categories
:
FR 6.3
or
GB 4 propel & steer ![](/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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Showing below up to 3 results in range #1 to #3.