Drilldown: Patents
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Patents > Filing date:
December 1909
& Related to aircraft
:
1906314176
or
1909-11-30
or
Yes
& National tech categories
:
FR 6.4
or
USPC 244/233
& CPCs:
CPC B64C2700/6295
& Number of text pages:
1-2
& Number of claims:
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