Procédé pour l'obtention de l'alumine,申请号FRD52218-传众专利搜索

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发明名称	Procédé pour l'obtention de l'alumine
摘要
申请公布号	FR52218(E)	申请公布日期	1943.10.05
申请号	FRD52218	申请日期	1942.06.30
申请人	DYCKERHOFF PORTLAND-ZEMENTWERKE A.G.	发明人	DYCKERHOFF WALTER;WITTEKINDT WILHELM
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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