A CLOCK FOR USING IN KINDERGARTEN,申请号KR19870013725U-传众专利搜索

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发明名称	A CLOCK FOR USING IN KINDERGARTEN
摘要
申请公布号	KR900001617(Y1)	申请公布日期	1990.03.03
申请号	KR19870013725U	申请日期	1987.08.18
申请人	PARK JONG-HUN	发明人	PARK JONG-HUN
分类号	G04B19/08;(IPC1-7):G04B19/08	主分类号	G04B19/08
代理机构		代理人
主权项
地址

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