FR1199831A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Pick-up allowing simultaneous reproduction of lateral and deep recordings
Assignee: Deutsche Grammophon GmbH
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Filing: 1958-07-11
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Granted: 1959-12-16
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Expires: 1978-07-11
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 17:14
CPC Classifications
H; H04; H04R; H04R17/00; H04R17/04; H04R17/08
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