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发明名称
DISPOSITIF DE CIRCUITS POUR LE CONTROLE AUTOMATIQUE DE LA CONTINUITE DE TRANSMISSION D'UNE LIAISON,ENTRE L'ABONNE D'APPEL ET CELUIQUI EST APPELE DANS UN RESEAU DE CONVERSATION ET DE TRANSMISSION DE DONNES
摘要
申请公布号
PT64740(A)
申请公布日期
1976.02.01
申请号
PT19760064740
申请日期
1976.01.26
申请人
SOC IT TELECOMUNICAZIONI SIEMENS SPA
发明人
分类号
H04M7/06;H04Q3/00;(IPC1-7):H04Q1/22
主分类号
H04M7/06
代理机构
代理人
主权项
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