Drilldown: Patents
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Patents > Office:
DE
& Supplementary to patent
:
Patent BE-1909-214032
or
Patent DE-1910-249794
& Related to aircraft:
1
& National tech categories
:
DE 77h.2
or
DE 77h.5 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.