PROCEDIMIENTO PARA TRATAR MINERALES O RESIDUOS DE OXIDO DE HIERRO MAGNETICOS.,申请号ES19630003386-传众专利搜索

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发明名称	PROCEDIMIENTO PARA TRATAR MINERALES O RESIDUOS DE OXIDO DE HIERRO MAGNETICOS.
摘要
申请公布号	ES338663(A1)	申请公布日期	1968.04.01
申请号	ES19630003386	申请日期	1967.03.30
申请人	COMPANIA ESPANOLA DE MINAS DE RIO TINTO, S. A.	发明人
分类号	C22B;(IPC1-7):C22B/	主分类号	C22B
代理机构		代理人
主权项
地址

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