Drilldown: Patents
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Patents > Office
:
??
or
DE
or
FI
or
SU
or
US
& Publication date:
1800 - 1899
& IPCs:
None
& Number of text pages:
1-2
& Number of diagram pages:
1 ![](/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 19 results in range #1 to #19.