Method of checking the operability of highways which interconnect blocks of the network in a centrally controlled digital telecommunication exchange network
IL41859A0Inactive Publication Date: 1973-05-31SIEMENS ALBIS AG +1
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Patent Information
- Application Number
- IL41859
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1972-04-04
- Filing Date
- 1973-03-23
- Publication Date
- 1973-05-31
- Estimated Expiration
- Not applicable · inactive patent
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