Extraction of alumina from its ores,申请号US19520314520-传众专利搜索

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发明名称	Extraction of alumina from its ores
摘要
申请公布号	US2785956(A)	申请公布日期	1957.03.19
申请号	US19520314520	申请日期	1952.10.13
申请人	KAISER ALUMINUM & CHEMICAL CORPORATION	发明人	DUNN ROBERT C.
分类号	C01F7/47	主分类号	C01F7/47
代理机构		代理人
主权项
地址

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