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公开(公告)号:KR102086826B1
公开(公告)日:2020-03-09
申请号:KR1020170025417
申请日:2017-02-27
Applicant: 서강대학교산학협력단
Inventor: 허남회 , 이규형 , 계소황
IPC: B01J20/22 , B01D53/04 , B01D53/62