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FR805070A
Expired / Lapsed
FR
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Improvements to direction finding devices
Assignee: Societe de Recherches et de Perfectionnements Industriels SRPI
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Filing: 1935-08-03
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Granted: 1936-11-10
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Expires: 1955-08-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 10:50
CPC Classifications
G; G01; G01C; G01C1/00; G01C1/02; G01C1/06
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