Method and agent for treating molten iron and steel,申请号US19390296914-传众专利搜索

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发明名称	Method and agent for treating molten iron and steel
摘要
申请公布号	US2221784(A)	申请公布日期	1940.11.19
申请号	US19390296914	申请日期	1939.09.28
申请人	ELECTRO METALLURGICAL COMPANY	发明人	CRITCHETT JAMES H.;CRAFTS WALTER
分类号	C21C7/04	主分类号	C21C7/04
代理机构		代理人
主权项
地址

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