FROTH FLOTATION OF SILICA OR SILICEOUS GANGUE,申请号US19900546167-传众专利搜索

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发明名称	FROTH FLOTATION OF SILICA OR SILICEOUS GANGUE
摘要
申请公布号	US5124028(A)	申请公布日期	1992.06.23
申请号	US19900546167	申请日期	1990.06.28
申请人	THE DOW CHEMICAL COMPANY	发明人	KLIMPEL, RICHARD R.
分类号	B03D1/02;B03D1/01	主分类号	B03D1/02
代理机构		代理人
主权项
地址

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