TEACHING TOOL DEVICE MAKING SLOW/QUICK DISPLAY OF MOTION,申请号JP19900307142-传众专利搜索

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发明名称	TEACHING TOOL DEVICE MAKING SLOW/QUICK DISPLAY OF MOTION
摘要
申请公布号	JPH04179985(A)	申请公布日期	1992.06.26
申请号	JP19900307142	申请日期	1990.11.15
申请人	NAKAYAMA KEIJI	发明人	NAKAYAMA KEIJI
分类号	G09B23/10	主分类号	G09B23/10
代理机构		代理人
主权项
地址

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