Drilldown: Patents
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Patents > Office
:
CA
or
FR
or
HU
or
SAX
& Grant date:
November 16, 1909
& Supplementary to patent
:
Patent BE-1909-214032
or
Patent FR-1907-373818
or
Patent FR-1909-395148
or
Patent GB-1909-12556
or
Patent GB-1909-8531
or
None
& IPCs:
IPC B64C39/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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