Process for the purification of aluminous oxide,申请号US19250034179-传众专利搜索

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发明名称	Process for the purification of aluminous oxide
摘要
申请公布号	US1777570(A)	申请公布日期	1930.10.07
申请号	US19250034179	申请日期	1925.06.01
申请人	SWANN RESEARCH, INC.	发明人	MASIN JACOB S.
分类号	C01F7/38;C01F7/46	主分类号	C01F7/38
代理机构		代理人
主权项
地址

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