STUDY OFFER METHOD AND SYSTEM USING CYBER HELPER,申请号KR20000023956-传众专利搜索

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发明名称	STUDY OFFER METHOD AND SYSTEM USING CYBER HELPER
摘要
申请公布号	KR20010100616(A)	申请公布日期	2001.11.14
申请号	KR20000023956	申请日期	2000.05.04
申请人	KIM, YOUNG HO	发明人	KIM, YOUNG HO
分类号	(IPC1-7):G06F17/60	主分类号	(IPC1-7):G06F17/60
代理机构		代理人
主权项
地址

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