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公开(公告)号:KR102014163B1
公开(公告)日:2019-08-26
申请号:KR1020180078283
申请日:2018-07-05
Applicant: 군산대학교산학협력단
Inventor: 김동익 , 남강현 , 이현영 , 안태욱
IPC: H04W4/029 , H04W4/35 , H04W4/80 , G08B21/24