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AT323823B Expired / Lapsed AT ⏱️ 0.0 years remaining

SOUND TRANSMITTERS ACCORDING TO THE TWO-WAY SYSTEM, IN PARTICULAR FOR HEADPHONES

Assignee: Akg Akustische Kino Geraete
•
Filing: 1973-06-19
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Granted: 1975-07-25
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Expires: 1993-06-19
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Abstract

No abstract record available.

Inventors

  • 👤 Herbert Piribauer

Bibliographic Details

Application Number —
Jurisdiction AT
Data Source google_patents
Last Synchronized 2026-10-26 00:22
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/24; H04R1/28; H04R1/2807; H04R1/2838; H04R1/2842

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