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发明名称
MODULE DE PROTECTION POUR CIRCUITS LOGIQUES DE TELEPHONIE
摘要
申请公布号
FR2518838(B1)
申请公布日期
1985.10.18
申请号
FR19810024177
申请日期
1981.12.23
申请人
PORTA SYSTEMS CORP
发明人
分类号
H02H9/06;H02H9/04;H04M1/74;H04Q1/14;(IPC1-7):H02H9/00;H04B3/28;H04M1/00
主分类号
H02H9/06
代理机构
代理人
主权项
地址
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