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发明名称
CIRCUIT FOR THE SUPPRESSION OF A MICROPHONE SIGNAL IN A TELEPHONE APPARATUS
摘要
申请公布号
EP0114558(B1)
申请公布日期
1987.05.06
申请号
EP19830402486
申请日期
1983.12.20
申请人
THOMSON-CSF
发明人
KAIRE, JEAN-CLAUDE
分类号
H04M1/58;H04M1/60;H04M1/76;(IPC1-7):H04M1/60
主分类号
H04M1/58
代理机构
代理人
主权项
地址
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