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DE752002C Expired / Lapsed DE ⏱️ 0.0 years remaining

Microphone arrangement for stereo acoustic purposes

Assignee: Klangfilm GmbH
•
Filing: 1940-10-16
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Granted: 1953-12-21
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Expires: 1960-10-16
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Abstract

No abstract record available.

Inventors

  • 👤 Mauricio Dietrich
  • 👤 Martin Dr-Ing Ulner

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-28 07:58
CPC Classifications
H; H04; H04R; H04R5/00; H04R5/027

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