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FR844769A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements made to acoustic horns

Assignee: Mabboux
•
Filing: 1934-03-20
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Granted: 1939-08-01
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Expires: 1954-03-20
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Abstract

No abstract record available.

Inventors

  • 👤 Mabboux

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-27 17:33
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/28

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