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发明名称
POSTE TELEPHONIQUE MUNI D'UNE ECOUTE AMPLIFIEE ET D'UN DISPOSITIF ANTI-LARSEN.
摘要
申请公布号
FR2586878(B1)
申请公布日期
1987.11.13
申请号
FR19850013062
申请日期
1985.09.03
申请人
RADIOTECHNIQUE COMPELEC
发明人
JEAN-PIERRE COULMANCE
分类号
H04M1/60;H04M9/08;H04R3/02;(IPC1-7):H04M1/60
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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