Flotation of sulphide ores,申请号US19440559117-传众专利搜索

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发明名称	Flotation of sulphide ores
摘要
申请公布号	US2405581(A)	申请公布日期	1946.08.13
申请号	US19440559117	申请日期	1944.10.17
申请人	THE DOW CHEMICAL COMPANY	发明人	KELLER CORNELIUS H.
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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