Shielded magnetic assembly for use with a hearing aid,申请号US19880221932-传众专利搜索

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发明名称	Shielded magnetic assembly for use with a hearing aid
摘要
申请公布号	US4936305(A)	申请公布日期	1990.06.26
申请号	US19880221932	申请日期	1988.07.20
申请人	RICHARDS MEDICAL COMPANY	发明人	ASHTIANI, CYRUS N.;CENDES, ZOLTAN J.
分类号	H04R25/02;H04R25/00	主分类号	H04R25/02
代理机构		代理人
主权项
地址

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