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公开(公告)号:KR102044396B1
公开(公告)日:2019-11-13
申请号:KR1020180059720
申请日:2018-05-25
Applicant: 서강대학교산학협력단
Inventor: 장주욱 , 강응선
IPC: G06Q50/26 , H04L29/08 , H04L29/06 , G08B21/18