Drilldown: Patents
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Patents > Office
:
FR
or
MX
& Publication date:
1907
& National tech categories:
FR 6.4
& IPCs
:
IPC B64B1/58
or
IPC B64C3/18
or
IPC B64C31/06
or
IPC B64C39/00
& First filing:
No ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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