Drilldown: Patents
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Patents > Inventor country
:
DE
or
FR
& Filing date:
May 1913
& Related to aircraft
:
0?
or
None
& National tech categories
:
USPC 244/66
or
USPC 244/80
or
None
& CPCs
:
CPC B64B1/58
or
CPC B64C11/006
or
CPC B64C2700/6256
or
CPC B64C2700/6274
or
CPC B64C35/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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