Concentration of minerals,申请号US19510213630-传众专利搜索

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发明名称	Concentration of minerals
摘要
申请公布号	US2690261(A)	申请公布日期	1954.09.28
申请号	US19510213630	申请日期	1951.03.02
申请人	WESTERN MACHINERY COMPANY	发明人	MAUST ERNEST J.
分类号	B03B5/44	主分类号	B03B5/44
代理机构		代理人
主权项
地址

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