Ficha perfeccionada, de perforación marginal, para control de toda clase de datos en ficheros de selección manual,申请号ES19930000837U-传众专利搜索

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发明名称	Ficha perfeccionada, de perforación marginal, para control de toda clase de datos en ficheros de selección manual
摘要
申请公布号	ES83793(U)	申请公布日期	1960.11.16
申请号	ES19930000837U	申请日期	1960.10.27
申请人	GARCÍA VILA, ALFONSO	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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