CERUMEN BARRIER FOR HEARING INSTRUMENTS.,申请号EP19940907097-传众专利搜索

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发明名称	CERUMEN BARRIER FOR HEARING INSTRUMENTS.
摘要
申请公布号	EP0627155(A4)	申请公布日期	1995.02.22
申请号	EP19940907097	申请日期	1993.12.21
申请人	CAMPBELL DONALD E K	发明人	CAMPBELL DONALD E K
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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