Refining of ores with hydrocarbon gases,申请号US19590799972-传众专利搜索

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发明名称	Refining of ores with hydrocarbon gases
摘要
申请公布号	US2990269(A)	申请公布日期	1961.06.27
申请号	US19590799972	申请日期	1959.03.17
申请人	ARTHUR D. LITTLE, INC.	发明人	HYDE RICHARD W.
分类号	C21B13/00	主分类号	C21B13/00
代理机构		代理人
主权项
地址

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