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公开(公告)号:KR102001833B1
公开(公告)日:2019-07-19
申请号:KR1020170048724
申请日:2017-04-14
Applicant: 충남대학교산학협력단
Inventor: 김철영 , 이재은 , 임정택 , 민병훈
IPC: H02M3/07