FR1111149A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Miniature Magnetic Recorder
Assignee: PROTONA PRODUKTIONSGES
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Filing: 1954-08-21
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Granted: 1956-02-22
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Expires: 1974-08-21
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 17:23
CPC Classifications
G; G11; G11B; G11B5/00; G11B2005/0002
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