Drilldown: Patents
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Patents > Office
:
DE
or
NO
or
UN
or
Other
or
None
& Filing date:
1800 - 1899
& Application number:
None
& Related to aircraft
:
0
or
0.5
& First filing:
No
& Number of diagram pages:
2-70 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 3 results in range #1 to #3.