Drilldown: Patents
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Patents > Office :
BE or
GB
& Applicant type :
INDIV or
LTA
& Filing date:
1912
& Granted:
Yes
& Supplementary to patent:
Patent BE-1911-02-02 Leonardo Torres Quevedo
& Family year:
1911
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Showing below up to 1 result in range #1 to #1.