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发明名称
MICROPHONE AURICULAIRE DE CONTACT
摘要
申请公布号
FR2559984(B1)
申请公布日期
1987.01.16
申请号
FR19840002436
申请日期
1984.02.17
申请人
THOMSON CSF
发明人
FRANCOIS MICHERON
分类号
H04M1/05;H04R1/46;H04R17/02;H04R19/01;H04R25/00;(IPC1-7):H04R1/46
主分类号
H04M1/05
代理机构
代理人
主权项
地址
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