FR844769A
Expired / Lapsed
FR
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Improvements made to acoustic horns
Assignee: Mabboux
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Filing: 1934-03-20
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Granted: 1939-08-01
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Expires: 1954-03-20
Abstract
No abstract record available.
Inventors
- 👤 Mabboux
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 16:38
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/18; G10K11/26; G10K11/28
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