Drilldown: Patents
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Patents > Office
:
CH
or
DK
& Related to aircraft
:
0.5
or
0?
or
1908-12-31
or
1909-11-30
or
1911-07-04
or
Jan 15, 1908
or
Yes
& Number of text pages:
2
& Number of claims:
1-3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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