CH216698A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Cassette with endless film, in particular sound film with mechanical sound writing.
Assignee: Daniel Tefi Apparatebau
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Filing: 1940-08-09
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Granted: —
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Expires: 1960-08-09
Abstract
No abstract record available.
Inventors
- 👤 K-G Tefi-Apparatebau Dr Daniel
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-25 19:41
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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