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公开(公告)号:KR102018806B1
公开(公告)日:2019-09-05
申请号:KR1020180015060
申请日:2018-02-07
Applicant: 서울대학교산학협력단
Inventor: 김재하 , 정성엽
IPC: H02M3/155 , H02M1/08 , G05F1/46