Drilldown: Patents
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Patents > Year filed:
1910
& Applicant type:
Louis-Marie Le Dantec
& Filing date:
September 1910
& National tech categories :
FR 6.3 or
FR 6.4 or
USPC 244/3.23
& IPCs :
IPC B64C1/00 or
IPC B64C39/00
& Number of text pages:
2
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