SISTEMA DE ALTO-FALANTE ELETRONICO,申请号BR1987PI01340-传众专利搜索

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发明名称	SISTEMA DE ALTO-FALANTE ELETRONICO
摘要
申请公布号	BR8701340(A)	申请公布日期	1987.12.29
申请号	BR1987PI01340	申请日期	1987.03.24
申请人	ZONG YOU-GEN;QIAN WEI-GUANG	发明人	ZONG YOU-GEN;QIAN WEI-GUANG
分类号	H04R3/00;G08B3/10;H04R27/00	主分类号	H04R3/00
代理机构		代理人
主权项
地址

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