Optisches Lehr-, Demonstrations- und Reklamegerät,申请号CH19650017393-传众专利搜索

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发明名称	Optisches Lehr-, Demonstrations- und Reklamegerät
摘要
申请公布号	CH430289(A)	申请公布日期	1967.02.15
申请号	CH19650017393	申请日期	1965.12.16
申请人	WEIGANG,CARL	发明人	WEIGANG,CARL
分类号	G09B23/24	主分类号	G09B23/24
代理机构		代理人
主权项
地址

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