FR820350A
Expired / Lapsed
FR
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Electromagnetic echo measurement method and devices
Assignee: Compagnie Francaise Thomson Houston SA
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Filing: 1937-04-08
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Granted: 1937-11-09
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Expires: 1957-04-08
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 15:33
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/32; G01S1/00; G01S1/02
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