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公开(公告)号:KR102134402B1
公开(公告)日:2020-07-15
申请号:KR1020180108950
申请日:2018-09-12
Applicant: 서울과학기술대학교 산학협력단
Inventor: 김진현 , 김민철 , 황동욱
IPC: B63G8/00 , B63G8/08 , B63G8/14