Patent EP0514723A1 successfully refreshed from Google Patents.
FR864516A
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FR
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Loudspeaker Systems Improvements
Assignee: Loewe Opta GmbH
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Filing: 1940-03-28
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Granted: 1941-04-29
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Expires: 1960-03-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 23:56
CPC Classifications
H; H04; H04R; H04R9/00; H04R9/02; H04R9/04; H04R9/046; H04R9/025
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