Open-hearth furnace charging apparatus,申请号US19480006873-传众专利搜索

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发明名称	Open-hearth furnace charging apparatus
摘要
申请公布号	US2506797(A)	申请公布日期	1950.05.09
申请号	US19480006873	申请日期	1948.02.07
申请人	LEWIS TUDOR G	发明人	LEWIS TUDOR G.
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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