Drilldown: Patents
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Patents > Year granted:
1919
& Office:
AT
& Inventor country
:
AT
or
ES
& Granted:
Yes
& National tech categories
:
AT 77d
or
FR 6.3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 11 results in range #1 to #11.