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公开(公告)号:KR102140050B1
公开(公告)日:2020-07-31
申请号:KR1020190160496
申请日:2019-12-05
Applicant: 충남대학교산학협력단
Inventor: 박상언 , 박창하 , 여현지 , 박예은
IPC: A01H4/00 , A01H5/06