Einrichtung zum Selbstunterricht od. dgl.,申请号AT19630003106-传众专利搜索

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发明名称	Einrichtung zum Selbstunterricht od. dgl.
摘要
申请公布号	AT245291(B)	申请公布日期	1966.02.25
申请号	AT19630003106	申请日期	1963.04.17
申请人	FRITZ KRUEGER	发明人	FRITZ KRUEGER
分类号	G09B	主分类号	G09B
代理机构		代理人
主权项
地址

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