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DE535503C Expired / Lapsed DE ⏱️ 0.0 years remaining

Process for recording and playing back image and sound recordings that are associated with one another

Assignee: Tobis Tonbild Syndikat GmbH
•
Filing: 1926-09-11
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Granted: 1931-10-12
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Expires: 1946-09-11
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Abstract

No abstract record available.

Inventors

  • 👤 Dipl-Ing Berthold Freund

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-27 13:18
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/06; G03; G03B; G03B31/00; G03B31/02; G11; G11B; G11B7/00

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