Patent CH526893A successfully refreshed from Google Patents.
CH526893A
Expired / Lapsed
CH
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Method and circuit arrangement for switching off calls in telecommunication systems, in particular telephone systems
Assignee: Int Standard Electric Corp
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Filing: 1971-03-26
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Granted: —
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Expires: 1991-03-26
Abstract
No abstract record available.
Inventors
- 👤 Verstegen Willi
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-29 09:43
CPC Classifications
H; H04; H04M; H04M19/00; H04M19/02; H04M19/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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