Un nuevo sistema de telegrafía manual infantil,申请号ES19980000537U-传众专利搜索

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发明名称	Un nuevo sistema de telegrafía manual infantil
摘要
申请公布号	ES53798(U)	申请公布日期	1956.06.16
申请号	ES19980000537U	申请日期	1956.04.20
申请人	FERNÁNDEZ - VALDERRAMA PÉREZ DE ARANSOLO, ALICIA	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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