Drilldown: Patents
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Patents > Inventor country
:
DE
or
FR
or
NL
or
RU
& Applicant type
:
Hermann Burkardt
or
INIV
or
LTA
& Supplementary to patent
:
Patent DE-1895-98580
or
Patent FR-1911-430455
or
None
& CPCs:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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frame (1) ·
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Showing below up to 2 results in range #1 to #2.