Methods of and means for handling flotation middlings in ore concentration process,申请号GB19570011526-传众专利搜索

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发明名称	Methods of and means for handling flotation middlings in ore concentration process
摘要
申请公布号	GB864529(A)	申请公布日期	1961.04.06
申请号	GB19570011526	申请日期	1957.04.09
申请人	DUVAL SULPHUR & POTASH COMPANY	发明人	BOURNE DOUGLAS JOHNSTON;HARRISON MARVIN HENRY
分类号	B03D1/02	主分类号	B03D1/02
代理机构		代理人
主权项
地址

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