Drilldown: Patents
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Patents > Office
:
GR
or
SE
or
US
& National tech categories
:
AT 77d
or
USPC 244/80
& First filing
:
No
or
Yes
& Number of claims:
8 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 7 results in range #1 to #7.