AUTOMATIC ERASER SUPPLY DEVICE FOR PENCIL,申请号KR19770005737U-传众专利搜索

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发明名称	AUTOMATIC ERASER SUPPLY DEVICE FOR PENCIL
摘要
申请公布号	KR780000556(Y1)	申请公布日期	1978.05.22
申请号	KR19770005737U	申请日期	1977.09.28
申请人	JUNG S.M.	发明人	JUNG S.M.
分类号		主分类号
代理机构		代理人
主权项
地址

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