Production of iron in a blast furnace,申请号US19500139849-传众专利搜索

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发明名称	Production of iron in a blast furnace
摘要
申请公布号	US2650161(A)	申请公布日期	1953.08.25
申请号	US19500139849	申请日期	1950.01.21
申请人	KOPPERS COMPANY, INC.	发明人	TOTZEK FRIEDRICH
分类号	C21B5/00	主分类号	C21B5/00
代理机构		代理人
主权项
地址

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