PERFECCIONAMIENTOS EN APARATOS PRODUCTORES DE SONIDOS,申请号ES19270001953-传众专利搜索

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发明名称	PERFECCIONAMIENTOS EN APARATOS PRODUCTORES DE SONIDOS
摘要
申请公布号	ES195327(A1)	申请公布日期	1952.04.16
申请号	ES19270001953	申请日期	1950.11.11
申请人	VICKERS - ARMSTRONGS LIMITED	发明人
分类号	G10K9/04;(IPC1-7):G10K9/04	主分类号	G10K9/04
代理机构		代理人
主权项
地址

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