FR801698A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and device for recording and reproducing sound vibrations using the magnetization process
Assignee: Int Tobis Mij N V
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Filing: 1936-02-04
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Granted: 1936-08-13
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Expires: 1956-02-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 20:50
CPC Classifications
G; G11; G11B; G11B5/00
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