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FR901648A Expired / Lapsed FR ⏱️ 0.0 years remaining

Method and device for recording and reproducing texts, pieces of music and the like

Assignee: Johannes Kuhl
•
Filing: 1943-09-20
•
Granted: 1945-08-01
•
Expires: 1963-09-20
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Abstract

No abstract record available.

Inventors

  • 👤 Johannes Kuhl

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-26 20:11
CPC Classifications
G; G11; G11B; G11B33/00; G11B33/02; G11B33/06

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