Elektronisches Lehr- und Experimentiergeraet,申请号DE19691944921-传众专利搜索

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发明名称	Elektronisches Lehr- und Experimentiergeraet
摘要
申请公布号	DE1944921(A1)	申请公布日期	1971.03.11
申请号	DE19691944921	申请日期	1969.09.04
申请人	STOELLNER,HERBERT	发明人	STOELLNER,HERBERT
分类号	G09B23/18	主分类号	G09B23/18
代理机构		代理人
主权项
地址

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