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公开(公告)号:KR102038511B1
公开(公告)日:2019-10-30
申请号:KR1020180032825
申请日:2018-03-21
Applicant: 한국도로공사
Inventor: 김석태 , 김일환 , 김재형 , 조혁수
IPC: G06Q50/30 , G08G1/0967 , G06Q50/10