Drilldown: Patents
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Patents > Inventor country:
GB
& Applicant firm:
None
& Applicant type :
Hermann Burkardt or
INDIV or
None
& Applicant is inventor:
Yes
& IPCs :
IPC B64C3/00 or
IPC B64C3/38
& Citations from after 1930:
3
Use the filters below to narrow your results.
Showing below up to 3 results in range #1 to #3.