SPEECH AID TRANSDUCER CONTROL SWITCHING,申请号AU19860061162-传众专利搜索

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发明名称	SPEECH AID TRANSDUCER CONTROL SWITCHING
摘要
申请公布号	AU575732(B2)	申请公布日期	1988.08.04
申请号	AU19860061162	申请日期	1986.08.14
申请人	DR. KUHN & CO. GMBH	发明人	PETER GRIEBEL
分类号	A61F2/20;(IPC1-7):H04R3/00;G10L9/08;H03K17/26	主分类号	A61F2/20
代理机构		代理人
主权项
地址

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