Process of making ferro-alloys and of making alloy steels from such alloys,申请号US19320586699-传众专利搜索

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发明名称	Process of making ferro-alloys and of making alloy steels from such alloys
摘要
申请公布号	US2071339(A)	申请公布日期	1937.02.23
申请号	US19320586699	申请日期	1932.01.14
申请人	PERFECTION STEEL COMPANY	发明人	HARDESTY BEN F.
分类号	C21C7/076	主分类号	C21C7/076
代理机构		代理人
主权项
地址

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