Drilldown: Patents
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Patents > Office
:
BE
or
US
& Filing date:
1910 - 1919
& Grant date:
1911
& CPCs
:
CPC B64B1/00
or
CPC B64B1/40
& First filing:
No
& Number of figures:
1-3 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 2 results in range #1 to #2.