Aparato para la audición,申请号ES19230000294U-传众专利搜索

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发明名称	Aparato para la audición
摘要
申请公布号	ES29423(U)	申请公布日期	1952.02.01
申请号	ES19230000294U	申请日期	1951.12.27
申请人	ROMÁN HERNÁNDEZ, LUIS	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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