ROTATION SYSTEM TEACHING AID HAVING DETACHING MECHANISM,申请号JP19870288169-传众专利搜索

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发明名称	ROTATION SYSTEM TEACHING AID HAVING DETACHING MECHANISM
摘要
申请公布号	JPH01129285(A)	申请公布日期	1989.05.22
申请号	JP19870288169	申请日期	1987.11.14
申请人	ICHIKAWA HIROSHI	发明人	ICHIKAWA HIROSHI
分类号	G09B25/00	主分类号	G09B25/00
代理机构		代理人
主权项
地址

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