Drilldown: Patents
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Patents > Inventor country
:
AU
or
BE
or
NZ
& Applicant type:
INDIV
& Grant date:
1800 - 1899
& National tech categories
:
AT 77d
or
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 5 results in range #1 to #5.