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DE734513C Expired / Lapsed DE ⏱️ 0.0 years remaining

Loudspeaker arrangement for the transmission of stereo-acoustic performances

Assignee: Klangfilm GmbH
•
Filing: 1939-08-31
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Granted: 1943-06-09
•
Expires: 1959-08-31
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Abstract

No abstract record available.

Inventors

  • 👤 Dipl-Ing Ernst Kammerer

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-26 10:46
CPC Classifications
H; H04; H04S; H04S3/00; H04R; H04R5/00; H04R5/02

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