Drilldown: Patents
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Patents > Year granted:
1910
& Office :
FR or
UN
& Applicant type :
INDIV or
INDIV + COMPANY or
А. Нейфельд
& Supplementary to patent:
Patent FR-1908-412632
& IPCs :
IPC B64C3/00 or
IPC B64C33/00 or
IPC B64C39/00
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Showing below up to 1 result in range #1 to #1.