Drilldown: Patents
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Patents > Applicant type :
Hermann Burkardt or
INDIV or
INIV
& Applicant is inventor:
Yes
& Grant date:
1912
& IPCs :
IPC B64C23/00 or
IPC B64C3/18 or
IPC B64C39/00
& CPCs:
CPC B64C39/08
& Number of diagram pages:
3-9
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Showing below up to 2 results in range #1 to #2.