FR846487A
Expired / Lapsed
FR
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Improvements to talking machines
Assignee: Courcy Georges
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Filing: 1938-11-23
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Granted: 1939-09-18
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Expires: 1958-11-23
Abstract
No abstract record available.
Inventors
- 👤 Courcy Georges
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 12:27
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/08; G11B3/095; G11B3/0952; G11B3/10; G11B3/34; G11B3/38
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