Drilldown: Patents
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Patents > Year filed:
1909
& Filing date:
September 1909
& Grant date:
1900 - 1999
& CPCs
:
CPC B64B1/00
or
CPC B64C13/00
or
CPC B64C17/00
or
CPC B64C3/385
& Number of text pages:
1-2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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