Drilldown: Patents
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Patents > Applicant firm :
Rumpler-Werke G.m.b.H. in Berlin-Johannisthal or
Société Anonyme des Établissements Nieuport
& Grant date:
1920
& Related to aircraft:
Yes
& IPCs :
IPC B64C3/54 or
IPC B64C39/08
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Showing below up to 1 result in range #1 to #1.