Apárato de dibujo para uso de los ciegos,申请号ES19150000403U-传众专利搜索

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发明名称	Apárato de dibujo para uso de los ciegos
摘要
申请公布号	ES40315(U)	申请公布日期	1954.03.16
申请号	ES19150000403U	申请日期	1954.02.08
申请人	PANDO Y DÍAZ, MATILDE	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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