Patent CH274288A successfully refreshed from Google Patents.
CH274288A
Expired / Lapsed
CH
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Magnetic sound recording and reproducing head for tape-shaped sound carriers.
Assignee: Alexander Dr Egerer Karl
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Filing: 1948-11-12
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Granted: —
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Expires: 1968-11-12
Abstract
No abstract record available.
Inventors
- 👤 Alexander Dr Egerer Karl
- 👤 Ag Andre Dewald Sohn
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-28 13:15
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/187; G11B5/255; G11B5/10; G11B5/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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