Calendario numeral perpetuo con cambio de cifras semautomático,申请号ES19630000317U-传众专利搜索

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发明名称	Calendario numeral perpetuo con cambio de cifras semautomático
摘要
申请公布号	ES31763(Y)	申请公布日期	1952.11.16
申请号	ES19630000317U	申请日期	1952.06.21
申请人	VALDERRAMA BERCEDO, TOMÁS	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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