Lehr- und Lernspielzeug,申请号DE19712131252-传众专利搜索

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发明名称	Lehr- und Lernspielzeug
摘要
申请公布号	DE2131252(A1)	申请公布日期	1972.11.30
申请号	DE19712131252	申请日期	1971.06.24
申请人	VEB KOMBINAT PIKO SONNEBERG	发明人	STAUCH,HELMUT;POWALLA,HORST
分类号	G09B19/02	主分类号	G09B19/02
代理机构		代理人
主权项
地址

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