ELECTRONIC HEARING AID,申请号GB19880025337-传众专利搜索

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发明名称	ELECTRONIC HEARING AID
摘要
申请公布号	GB8825337(D0)	申请公布日期	1988.11.30
申请号	GB19880025337	申请日期	1988.10.28
申请人	GODFREY, A D P;ADRIAN, M	发明人
分类号	H03G7/00;H04R25/00	主分类号	H03G7/00
代理机构		代理人
主权项
地址

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