Cerumen filter for hearing aids,申请号AU19930032272-传众专利搜索

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发明名称	Cerumen filter for hearing aids
摘要
申请公布号	AU665976(B2)	申请公布日期	1996.01.25
申请号	AU19930032272	申请日期	1992.11.27
申请人	ROBERT J OLIVEIRA	发明人	ROBERT J OLIVEIRA
分类号	H04R1/10;H04R25/00;(IPC1-7):H04R25/02	主分类号	H04R1/10
代理机构		代理人
主权项
地址

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