Drilldown: Patents
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Patents > Office
:
AT
or
CA
or
IN
or
LU
& Grant date:
1900 - 1909
& Related to aircraft
:
.5?
or
Yes
& Citations from after 1930:
None
& Number of diagram pages:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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