Substitute for natural feed ore,申请号US19300462926-传众专利搜索

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发明名称	Substitute for natural feed ore
摘要
申请公布号	US1891889(A)	申请公布日期	1932.12.20
申请号	US19300462926	申请日期	1930.06.21
申请人	SHARON STEEL HOOP COMPANY	发明人	HUGHES JOHN M.;CARTER JOSEPH H.;PERKINS LEWIS B.
分类号	C22B1/24	主分类号	C22B1/24
代理机构		代理人
主权项
地址

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