Drilldown: Patents
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Patents > Publication date:
1913
& Supplementary to patent:
Patent GB-1911-29012
& National tech categories
:
FR 6.4
or
USPC 244/45R
or
None
& Family year:
1911 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 7 results in range #1 to #7.