(B1) ;METHOD FOR THE PRODUCTION OF VERY PURE ALUMINIUM OXIDE,申请号PL19790215596-传众专利搜索

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发明名称	(B1) ;METHOD FOR THE PRODUCTION OF VERY PURE ALUMINIUM OXIDE
摘要
申请公布号	PL215596(A1)	申请公布日期	1980.02.11
申请号	PL19790215596	申请日期	1979.05.15
申请人	PECHINEY ALUMINIUM	发明人
分类号	C01F7/20;C01F7/26;(IPC1-7):C01F/	主分类号	C01F7/20
代理机构		代理人
主权项
地址

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