An improved hearing aid,申请号GB19950026502-传众专利搜索

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发明名称	An improved hearing aid
摘要
申请公布号	GB9526502(D0)	申请公布日期	1996.02.28
申请号	GB19950026502	申请日期	1995.12.23
申请人	HOWIE, ROBIN M	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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