Drilldown: Patents
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Patents > Office
:
DE
or
FI
or
GB
& Filing date:
May 1913
& Grant date:
1914
& CPCs
:
CPC B64B1/40
or
CPC B64C11/006
or
CPC B64C3/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.