A SECTIONAL CHECKER BOARD,申请号KR19870013089U-传众专利搜索

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发明名称	A SECTIONAL CHECKER BOARD
摘要
申请公布号	KR900006341(Y1)	申请公布日期	1990.07.16
申请号	KR19870013089U	申请日期	1987.08.04
申请人	LEE MAN-JU	发明人	LEE MAN-JU
分类号	A63F3/00;(IPC1-7):A63F3/00	主分类号	A63F3/00
代理机构		代理人
主权项
地址

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