Drilldown: Patents
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Patents > Publication date:
1911
& Supplementary to patent:
Patent DE-1909-12-22 System "Stephan"
& IPCs
:
IPC B64B1/40
or
IPC B64C25/00
or
IPC B64C33/00
or
IPC B64C39/00
or
None
& Number of claims:
1 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.