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公开(公告)号:KR102086755B1
公开(公告)日:2020-03-09
申请号:KR1020180147868
申请日:2018-11-26
Applicant: 서강대학교산학협력단
Inventor: 박석 , 정주원
IPC: G01C21/34 , G01C21/36