Apparatus for ore concentration,申请号US19350013613-传众专利搜索

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发明名称	Apparatus for ore concentration
摘要
申请公布号	US2057338(A)	申请公布日期	1936.10.13
申请号	US19350013613	申请日期	1935.03.29
申请人	A. O. SMITH CORPORATION	发明人	MALKE SVEN
分类号	B03B5/56	主分类号	B03B5/56
代理机构		代理人
主权项
地址

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