Drilldown: Patents
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Patents > Year filed:
1917
& Office
:
HU
or
IN
or
IT
& Application number
:
frame
or
None
& IPCs
:
IPC B64C3/38
or
None
& Number of claims:
3-6 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 10 results in range #1 to #10.