FR2216643A1
Expired / Lapsed
FR
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FR2216643A1 - - Google Patents
Assignee: Sony Corp
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Filing: 1974-02-01
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Granted: —
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Expires: 1994-02-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 18:39
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G11B23/08707; G11B23/08735; G11B23/08742; G11B15/00; G11B15/675; G11B15/67563; G11B15/67565; G11B23/08785
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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