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公开(公告)号:KR102034494B1
公开(公告)日:2019-10-21
申请号:KR1020180017257
申请日:2018-02-12
Applicant: 동명대학교산학협력단
Inventor: 이상민 , 하종훈 , 김동준 , 조규성
IPC: G08G5/00 , H04N7/18 , F41H11/02 , G06K9/32 , H04K3/00