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公开(公告)号:KR102152555B1
公开(公告)日:2020-09-04
申请号:KR1020190179288
申请日:2019-12-31
Applicant: 충남대학교산학협력단
Inventor: 강석구 , 박해금 , 양승민
IPC: C02F1/52 , C01F7/56 , B27L11/06 , B27K3/02