Lehr- und Demonstrationsgeraet,申请号DE1963W033718-传众专利搜索

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发明名称	Lehr- und Demonstrationsgeraet
摘要
申请公布号	DE1273880(B)	申请公布日期	1968.07.25
申请号	DE1963W033718	申请日期	1963.01.17
申请人	CARL WEIGANG	发明人	WEIGANG CARL
分类号	G09B23/12;G09B23/24;G09F13/00;G09F19/18	主分类号	G09B23/12
代理机构		代理人
主权项
地址

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