Grinding and hindered settling classification of naturally occurring ores, etc. by density inducing constituents derived from the ore itself,申请号US19480011821-传众专利搜索

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发明名称	Grinding and hindered settling classification of naturally occurring ores, etc. by density inducing constituents derived from the ore itself
摘要
申请公布号	US2675966(A)	申请公布日期	1954.04.20
申请号	US19480011821	申请日期	1948.02.27
申请人	BOLIDENS GRUVAKTIEBOLAG	发明人	KIHLSTEDT PER GUDMAR
分类号	B02C21/00	主分类号	B02C21/00
代理机构		代理人
主权项
地址

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