Drilldown: Patents
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Patents > Office
:
CU
or
ES
or
NL
or
NZ
or
Other
& Grant date:
1912
& Publication date:
1900 - 1999
& Related to aircraft
:
0
or
Yes
& National tech categories:
None
& First filing:
No ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 4 results in range #1 to #4.