Drilldown: Patents
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Patents > Applicant type :
1 or
Hermann Burkardt or
INDIV or
INDIV + COMPANY or
Louis-Marie Le Dantec
& Filing date:
1917
& Granted:
Yes
& Supplementary to patent :
Patent FR-1907-373818 or
None
& National tech categories:
None
& IPCs:
IPC B64C39/00
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Showing below up to 5 results in range #1 to #5.