CH345671A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Telephone subscriber station with an electroacoustic transducer used for call signaling
Assignee: Autophon Ag
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Filing: 1956-11-19
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Granted: —
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-02 10:38
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/60; H04M1/26; H04M1/30; H04M1/50; H04M19/00; H04M19/02; H04M19/04
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