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DE551550C Expired / Lapsed DE ⏱️ 0.0 years remaining

Drive device for wire-shaped sound carriers by means of a turntable speaking machine

Assignee: Telefunken AG
•
Filing: 1930-08-28
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Granted: 1932-06-02
•
Expires: 1950-08-28
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Abstract

No abstract record available.

Inventors

  • 👤 Dr Fritz Schroeter

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-23 11:38
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/10

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