Froth control in ore flotation,申请号US19290354168-传众专利搜索

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发明名称	Froth control in ore flotation
摘要
申请公布号	US1973278(A)	申请公布日期	1934.09.11
申请号	US19290354168	申请日期	1929.04.10
申请人	UNITED VERDE COPPER COMPANY	发明人	BARKER LYLE M.;YOUNG OREL E.;RALSTON OLIVER C.
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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