LEHR- UND ANSCHAUUNGSGERAET FUER DEN UNTERRICHT.,申请号DE19700000470U-传众专利搜索

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发明名称	LEHR- UND ANSCHAUUNGSGERAET FUER DEN UNTERRICHT.
摘要
申请公布号	DE7000470(U)	申请公布日期	1970.06.18
申请号	DE19700000470U	申请日期	1970.01.08
申请人	JETTINGER, WALTRAUD	发明人	JETTINGER, WALTRAUD
分类号		主分类号
代理机构		代理人
主权项
地址

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