AN ATTANDANCE BOOK FOR STUDENTS,申请号KR19900003418U-传众专利搜索

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发明名称	AN ATTANDANCE BOOK FOR STUDENTS
摘要
申请公布号	KR920002992(Y1)	申请公布日期	1992.05.18
申请号	KR19900003418U	申请日期	1990.03.23
申请人	CHOI, JONG - MOON	发明人	CHOI, JONG - MOON
分类号	B42D1/00;(IPC1-7):B42D1/00	主分类号	B42D1/00
代理机构		代理人
主权项
地址

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