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公开(公告)号:KR102154087B1
公开(公告)日:2020-09-09
申请号:KR1020190044699
申请日:2019-04-17
Applicant: 경일대학교산학협력단
Inventor: 민수경 , 김성찬 , 김정용
IPC: A62C37/50 , A62C31/02