Improvements in the preparation of alumina,申请号GB19320015601-传众专利搜索

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发明名称	Improvements in the preparation of alumina
摘要
申请公布号	GB381520(A)	申请公布日期	1932.10.06
申请号	GB19320015601	申请日期	1932.06.02
申请人	HERMANN WUENSCHE	发明人
分类号	C01F7/12	主分类号	C01F7/12
代理机构		代理人
主权项
地址

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