Open-hearth slag utilization,申请号US19320642679-传众专利搜索

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发明名称	Open-hearth slag utilization
摘要
申请公布号	US1979753(A)	申请公布日期	1934.11.06
申请号	US19320642679	申请日期	1932.11.14
申请人	LOSE JAMES E;WATSON RALPH H	发明人	LOSE JAMES E.;WATSON RALPH H.
分类号	C21C5/36	主分类号	C21C5/36
代理机构		代理人
主权项
地址

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