ALUMINA PREPARATION FROM CLAY,申请号CAD430795-传众专利搜索

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发明名称	ALUMINA PREPARATION FROM CLAY
摘要
申请公布号	CA430795(A)	申请公布日期	1945.10.23
申请号	CAD430795	申请日期
申请人	ENGLISH CLAYS	发明人	REGINALD JOHN DAVIES;HENRY OSCAR DERING;THOMAS WEBSTER PARKER
分类号		主分类号
代理机构		代理人
主权项
地址

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