UN PROCEDIMIENTO DE TRATAR MINERALES DE CROMO,申请号ES19880001932-传众专利搜索

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发明名称	UN PROCEDIMIENTO DE TRATAR MINERALES DE CROMO
摘要
申请公布号	ES193288(A1)	申请公布日期	1951.12.01
申请号	ES19880001932	申请日期	1950.06.03
申请人	BEERS, GEORGE HOWARD	发明人
分类号	(IPC1-7):C22	主分类号	(IPC1-7):C22
代理机构		代理人
主权项
地址

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