Circuit for putting in conference a plurality of participants in systems of telecommunications
IL88397A0Inactive Publication Date: 1989-06-30PRESCOM
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Patent Information
- Application Number
- IL88397
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1987-11-20
- Filing Date
- 1988-11-16
- Publication Date
- 1989-06-30
- Estimated Expiration
- Not applicable · inactive patent
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