IMPROVEMENTS IN OR RELATING TO LOUDSPEAKERS,申请号AU19900049092-传众专利搜索

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发明名称	IMPROVEMENTS IN OR RELATING TO LOUDSPEAKERS
摘要
申请公布号	AU4909290(A)	申请公布日期	1990.05.24
申请号	AU19900049092	申请日期	1990.02.05
申请人	ROBERT MICHAEL GRUNBERG	发明人	ROBERT MICHAEL GRUNBERG
分类号	H04R9/04;H04R9/06	主分类号	H04R9/04
代理机构		代理人
主权项
地址

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