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FR652564A Expired / Lapsed FR ⏱️ 0.0 years remaining

Apparatus for the elimination of pronunciation defects

Assignee: Hellmuth Turnau
•
Filing: 1928-04-06
•
Granted: 1929-03-11
•
Expires: 1948-04-06
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Abstract

No abstract record available.

Inventors

  • 👤 Hellmuth Turnau

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-27 07:06
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/58

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