Drilldown: Patents
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Patents > Filing date:
July 1, 1918
& Application number :
25941D or
490932D or
hybrid or
rudder or
stability
& National tech categories :
FR 6.4 or
IT 8
& CPCs:
CPC D03D11/00
& First filing:
No
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Showing below up to 1 result in range #1 to #1.