Drilldown: Patents
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Patents > Office
:
HU
or
Other
& Inventor country
:
BE
or
CH
& Granted
:
No
or
Yes
& IPCs:
IPC B64C33/02
& First filing:
No ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 3 results in range #1 to #3.