FR1127985A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Loudspeaker enhancements
Assignee: Thales SA
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Filing: 1955-06-16
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Granted: 1956-12-28
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Expires: 1975-06-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 10:19
CPC Classifications
H; H04; H04R; H04R9/00; H04R9/02; H04R9/04; H04R9/041
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