MEJORAS EN LA CONSTRUCCION DE ALTAVOCES.,申请号ES19270004163-传众专利搜索

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发明名称	MEJORAS EN LA CONSTRUCCION DE ALTAVOCES.
摘要
申请公布号	ES416327(A1)	申请公布日期	1976.02.16
申请号	ES19270004163	申请日期	1973.06.20
申请人	RAFA MARTINEZ	发明人
分类号	H04R;(IPC1-7):04R/	主分类号	H04R
代理机构		代理人
主权项
地址

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