Hot metal charging apparatus for open hearth furnaces,申请号US19550555902-传众专利搜索

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发明名称	Hot metal charging apparatus for open hearth furnaces
摘要
申请公布号	US2807456(A)	申请公布日期	1957.09.24
申请号	US19550555902	申请日期	1955.12.28
申请人	OTT KENNETH W	发明人	OTT KENNETH W.
分类号	F27B3/18;F27D3/00;F27D3/12	主分类号	F27B3/18
代理机构		代理人
主权项
地址

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