Drilldown: Patents
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Patents > Office
:
DE
or
FR
or
HU
& Inventor country
:
BE
or
FR
& Applicant is inventor
:
Yes
or
None
& Supplementary to patent:
None
& IPCs
:
IPC B63H3/00
or
IPC B64B1/00
or
IPC B64C3/18
& Number of claims:
4 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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