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公开(公告)号:KR102048777B1
公开(公告)日:2019-11-28
申请号:KR1020170074799
申请日:2017-06-14
Applicant: 동명대학교산학협력단
Inventor: 조규성 , 김건오
IPC: G06F21/57 , G06Q10/08
公开(公告)号:KR102048776B1
公开(公告)日:2019-11-26
申请号:KR1020170074797
IPC: G06F21/57 , G06Q10/08 , G06Q50/28