Drilldown: Patents
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Patents > Inventor country:
DE
& National tech categories:
DE 77
& IPCs :
IPC B64C13/00 or
IPC B64C23/00 or
IPC B64C31/06 or
IPC B64C33/00
& CPCs :
CPC B64C17/00 or
None
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.