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公开(公告)号:KR102061104B1
公开(公告)日:2019-12-31
申请号:KR1020180029293
申请日:2018-03-13
Applicant: 한국도로공사
Inventor: 유병관 , 이경보 , 백재욱
IPC: G06K9/32 , G06K9/62 , H04N5/247