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DE813166C Expired / Lapsed DE ⏱️ 0.0 years remaining

Microphone arrangement, preferably for stereophonic purposes

Assignee: Siemens and Halske AG
•
Filing: 1948-12-28
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Granted: 1951-09-10
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Expires: 1968-12-28
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Abstract

No abstract record available.

Inventors

  • 👤 Andreas Dipl-Ing Dr Jaumann
  • 👤 Friedrich Dr-Ing Spandoeck

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-27 23:25
CPC Classifications
H; H04; H04R; H04R5/00; H04R5/027

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