INHALATION TYPE ERASER FOR A BLACKBOARD,申请号KR19930019687U-传众专利搜索

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发明名称	INHALATION TYPE ERASER FOR A BLACKBOARD
摘要
申请公布号	KR960001807(Y1)	申请公布日期	1996.02.28
申请号	KR19930019687U	申请日期	1993.09.27
申请人	UM, YOUNG - CHOL	发明人	UM, YOUNG - CHOL
分类号	B43L21/00;(IPC1-7):B43L21/00	主分类号	B43L21/00
代理机构		代理人
主权项
地址

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