Froth flotation of ores,申请号US19280320207-传众专利搜索

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发明名称	Froth flotation of ores
摘要
申请公布号	US1813344(A)	申请公布日期	1931.07.07
申请号	US19280320207	申请日期	1928.11.17
申请人	PETER C. REILLY	发明人	DERBY IRA H.;CUNNINGHAM ORIN D.
分类号	B03D1/012	主分类号	B03D1/012
代理机构		代理人
主权项
地址

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