Drilldown: Patents
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Patents > Applicant type :
FIRM or
INDIV or
None
& Grant date:
1919
& Granted:
Yes
& Supplementary to patent:
None
& National tech categories :
FR 6.4 or
HU V/h
& IPCs :
IPC B64C13/00 or
IPC B64C39/00
& Number of figures:
4-5
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Showing below up to 1 result in range #1 to #1.