One-channel circuit for hearing aid.,申请号EP19910890015-传众专利搜索

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发明名称	One-channel circuit for hearing aid.
摘要
申请公布号	EP0446195(B1)	申请公布日期	1994.11.09
申请号	EP19910890015	申请日期	1991.01.28
申请人	VIENNATONE GESELLSCHAFT M.B.H.	发明人	RIBIC, ZLATAN, DIPL. ING. DR.
分类号	H04R25/00;(IPC1-7):H04R25/00	主分类号	H04R25/00
代理机构		代理人
主权项
地址

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