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                                | هذا العنوان غير متوفر باللغة العربية |  
                                
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                                | Citation: | https://handle.itu.int/11.1002/1000/10562 |  
                                | Series title: | V series: Data communication over the telephone network V.10-V.34: Interfaces and voiceband modems
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                                | Approval date: | 1976-10-08 |  | Approval process: | WTSA |  
                                | Status: | Superseded |  
                                | Maintenance responsibility: | ITU-T Study Group 21 |  
                                | Further details: | Patent statement(s) 
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