Checking method for 4-wire connections between two switching points to be interconnected in a telecommunication network

IL41504A0Inactive Publication Date: 1973-04-30SIEMENS ALBIS AG +1

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Patent Information

Application Number: IL41504
Authority / Receiving Office: IL · IL
Patent Type: Applications
Current Assignee / Owner
Priority Date: 1972-02-29
Filing Date: 1973-02-09
Publication Date: 1973-04-30
Estimated Expiration: Not applicable · inactive patent

Application Information

Patent Timeline

29 Feb 1972

Priority

09 Feb 1973

Application

IL41504

30 Apr 1973

Publication

IL41504A0

IPC: H04M3/26; H04J3/00; H04L25/02; H04M3/00; H04Q3/545; H04Q11/04

CPC: H04Q11/04

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