Method for the exchange of signals in a telephone exchange
IL62849A0Inactive Publication Date: 1981-07-31SIEMENS ALBIS AG
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Patent Information
- Application Number
- IL62849
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1980-05-14
- Filing Date
- 1981-05-12
- Publication Date
- 1981-07-31
- Estimated Expiration
- Not applicable · inactive patent
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