Drilldown: Patents
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Patents > Office
:
Other
or
None
& Inventor country
:
FR
or
HU
& Supplementary to patent:
Patent FR-1908-392672
& National tech categories
:
FR 6.4
or
HU V/h
or
USPC 244/80 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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