Tastenknopf fuer Rechenmaschinen,申请号DE1939O000768D-传众专利搜索

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发明名称	Tastenknopf fuer Rechenmaschinen
摘要
申请公布号	DE907949(C)	申请公布日期	1954.04.01
申请号	DE1939O000768D	申请日期	1939.10.22
申请人	OLYMPIA WERKE WEST G.M.B.H.	发明人	MARTIN HANS
分类号		主分类号
代理机构		代理人
主权项
地址

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