An apparatus and a method for signalling an existing telephone communication between picture telephone subscriber equipments
IL70804A0Inactive Publication Date: 1984-04-30ADC BETEILIGUNGS
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Patent Information
- Application Number
- IL70804
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1983-02-10
- Filing Date
- 1984-01-27
- Publication Date
- 1984-04-30
- Estimated Expiration
- Not applicable · inactive patent
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