Process for feeding a call dignal to subscribers in a telephone exchange

IL55725A0Inactive Publication Date: 1978-12-17SIEMENS ALBIS AG

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Patent Information

Application Number: IL55725
Authority / Receiving Office: IL · IL
Patent Type: Applications
Current Assignee / Owner
Priority Date: 1977-10-17
Filing Date: 1978-10-13
Publication Date: 1978-12-17
Estimated Expiration: Not applicable · inactive patent

Application Information

Patent Timeline

17 Oct 1977

Priority

13 Oct 1978

Application

IL55725

17 Dec 1978

Publication

IL55725A0

IPC: H04M19/02

CPC: H04M19/02

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