Preferential pneumatic grinding and scrubbing of ores and minerals,申请号US19360111627-传众专利搜索

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发明名称	Preferential pneumatic grinding and scrubbing of ores and minerals
摘要
申请公布号	US2175457(A)	申请公布日期	1939.10.10
申请号	US19360111627	申请日期	1936.11.19
申请人	VANADIUM CORPORATION OF AMERICA	发明人	DUNN HOLBERT EARL
分类号	B02C19/06	主分类号	B02C19/06
代理机构		代理人
主权项
地址

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