PERFECCIONAMIENTOS INTRODUCIDOS EN LOS BARRENOS DE MINA,申请号ES19500002146-传众专利搜索

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发明名称	PERFECCIONAMIENTOS INTRODUCIDOS EN LOS BARRENOS DE MINA
摘要
申请公布号	ES214650(A1)	申请公布日期	1955.06.01
申请号	ES19500002146	申请日期	1954.04.09
申请人	DEMELENNE, EDGARD	发明人
分类号	(IPC1-7):F42	主分类号	(IPC1-7):F42
代理机构		代理人
主权项
地址

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