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FR1024291A Expired / Lapsed FR ⏱️ 0.0 years remaining

Advanced loudspeaker horn

Assignee: Paul Bouyer
•
Filing: 1950-09-05
•
Granted: 1953-03-31
•
Expires: 1970-09-05
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Abstract

No abstract record available.

Inventors

  • 👤 Paul Bouyer

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-01 12:33
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/02; G10K11/025

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