Open hearth furnace and method of operating the same,申请号US19310512293-传众专利搜索

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发明名称	Open hearth furnace and method of operating the same
摘要
申请公布号	US1841261(A)	申请公布日期	1932.01.12
申请号	US19310512293	申请日期	1931.01.30
申请人	SOMMER WILLIAM H	发明人	SOMMER WILLIAM H.
分类号	F27B3/00	主分类号	F27B3/00
代理机构		代理人
主权项
地址

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