Lehrmittel fuer die Loseblatt-Buchhaltung,申请号DENDATH110347D-传众专利搜索

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发明名称	Lehrmittel fuer die Loseblatt-Buchhaltung
摘要
申请公布号	DE507700(C)	申请公布日期	1930.09.19
申请号	DENDATH110347D	申请日期
申请人	ERWIN O. HABERFELD	发明人
分类号	G09B19/18	主分类号	G09B19/18
代理机构		代理人
主权项
地址

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