Drilldown: Patents
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Patents > Office
:
DE
or
FI
& Inventor country:
DE
& Publication date:
1910 - 1919
& National tech categories
:
AT 77d
or
DE 77h.4
or
FR 6.4
& Cites these patents:
None
& Number of text pages:
1-2
& Number of figures:
1-2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 6 results in range #1 to #6.