Drilldown: Patents
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Patents > Year granted:
1918
& Office :
AT or
CA or
CH or
CU or
RU or
SU
& Applicant type :
INDIV or
Louis-Marie Le Dantec
& Grant date:
December 15, 1918
& Number of text pages:
1-2
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Showing below up to 1 result in range #1 to #1.