Placa de absorçáo de som,申请号BR19930005051-传众专利搜索

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发明名称	Placa de absorçáo de som
摘要
申请公布号	BR9305051(A)	申请公布日期	1994.06.21
申请号	BR19930005051	申请日期	1993.12.14
申请人	DONALD HERBST	发明人	DONALD HERBST
分类号	G10K11/16;(IPC1-7):G10K11/16	主分类号	G10K11/16
代理机构		代理人
主权项
地址

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