Drilldown: Patents
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Patents > Year filed:
1910 - 1919
& Office
:
AU
or
DE
or
DEG
or
DK
& National tech categories
:
DE 77h.15
or
FR 6.4
& IPCs:
None
& Family year:
1913 ![](/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 1 result in range #1 to #1.