Raffinationsmittel fuer Eisen und Metalle,申请号DED589256D-传众专利搜索

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发明名称	Raffinationsmittel fuer Eisen und Metalle
摘要
申请公布号	DE589256(C)	申请公布日期	1933.12.04
申请号	DED589256D	申请日期	1929.10.10
申请人	RICHARD WALTER	发明人
分类号	C21C7/06	主分类号	C21C7/06
代理机构		代理人
主权项
地址

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