Drilldown: Patents
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- Airplane (18)
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- Letters (683)
- Organizations (967)
- Patents (17619)
- Person (2162)
- Publications (24571)
- Techtypes (2388)
Patents > Year filed:
1904
& Office
:
FR
or
JP
or
SAX
& CPCs
:
CPC B64B1/58
or
CPC B64C39/00l CPC F01B23/02
& Citations from after 1930:
None
& Number of text pages:
1-2 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.