Drilldown: Patents
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Patents > Supplementary to patent :
Patent FR-1916-502839 or
Patent US-1913-04-21 George Raymond Lawrence or
None
& Assigned to :
Établissements de Dion-Bouton or
None
& IPCs :
IPC B64C3/18 or
IPC B64C39/00
& CPCs:
CPC B64C39/005
& Family year:
1880 - 1889
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Showing below up to 2 results in range #1 to #2.