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公开(公告)号:KR102088222B1
公开(公告)日:2020-03-16
申请号:KR1020180009446
申请日:2018-01-25
Applicant: 서강대학교산학협력단
Inventor: 박형민 , 이란
IPC: G01S3/80 , G10L21/02 , H04R3/00