DREHSTATIV FUER DEN DEMONSTRATIONSUNTERRICHT UND FUER AUSSTELLUNGSGEGENSTAENDE.,申请号DE195400L9574U-传众专利搜索

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发明名称	DREHSTATIV FUER DEN DEMONSTRATIONSUNTERRICHT UND FUER AUSSTELLUNGSGEGENSTAENDE.
摘要
申请公布号	DE1678491(U)	申请公布日期	1954.06.24
申请号	DE195400L9574U	申请日期	1954.01.13
申请人	LANDESSTELLE MNU FUER DEN MATHEMATISCH-NATURWISSENSCHAFTLICHEN UNTERRICHT	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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