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公开(公告)号:KR102118646B1
公开(公告)日:2020-06-03
申请号:KR1020180064368
申请日:2018-06-04
Applicant: 충남대학교산학협력단
Inventor: 최훈 , 김민호 , 김수진
IPC: G06Q20/36 , G06Q20/06 , G06Q20/38