Technology teaching apparatus,申请号GB19840029552-传众专利搜索

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发明名称	Technology teaching apparatus
摘要
申请公布号	GB2151387(A)	申请公布日期	1985.07.17
申请号	GB19840029552	申请日期	1984.11.22
申请人	* ECONOMATICS	发明人	JEROME * MCGARRY
分类号	G09B23/10;G09B23/18;(IPC1-7):G09B23/06	主分类号	G09B23/10
代理机构		代理人
主权项
地址

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