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FR47617E
Expired / Lapsed
FR
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Improvements to concentric conductors
Assignee: Lignes Telegraphiques et Telephoniques LTT SA
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Filing: 1936-07-30
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Granted: 1937-06-15
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Expires: 1956-07-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 16:33
CPC Classifications
H; H01; H01B; H01B11/00; H01B11/18; H01B11/1834; H01B11/1856; H01B11/1865
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