UN MÉTODO PARA RECUPERAR EL SONIDO DE LOS DISCOS DESECHADOS,申请号ES19440001797-传众专利搜索

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发明名称	UN MÉTODO PARA RECUPERAR EL SONIDO DE LOS DISCOS DESECHADOS
摘要
申请公布号	ES179744(A1)	申请公布日期	1947.11.01
申请号	ES19440001797	申请日期	1947.09.16
申请人	STANDARD ELECTRICA, S.A.	发明人
分类号	(IPC1-7):H04	主分类号	(IPC1-7):H04
代理机构		代理人
主权项
地址

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