Improvements in or relating to the preparation of aluminium oxide,申请号GB19360015458-传众专利搜索

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发明名称	Improvements in or relating to the preparation of aluminium oxide
摘要
申请公布号	GB461059(A)	申请公布日期	1937.02.09
申请号	GB19360015458	申请日期	1936.06.02
申请人	HELGE LOEFQUIST	发明人
分类号	C01F7/02;C01F7/46	主分类号	C01F7/02
代理机构		代理人
主权项
地址

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