Drilldown: Patents
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- Publications (24569)
- Techtypes (2381)
Patents > Office
:
BE
or
JP
& Granted:
Yes
& National tech categories
:
BE 11e
or
GB 4 propel & steer
or
None
& CPCs:
CPC Y02T50/672
& Citations from after 1930:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 1 result in range #1 to #1.