Drilldown: Patents
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Patents > Office:
FR
& Applicant type
:
INDIV
or
LTA
or
А. Нейфельд
& Supplementary to patent:
Patent FR-1909-404631.12136
& National tech categories:
FR 6.2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.