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公开(公告)号:KR102109746B1
公开(公告)日:2020-05-12
申请号:KR1020180024008
申请日:2018-02-27
Applicant: 조선대학교산학협력단
Inventor: 김대현 , 김경업 , 서혁
IPC: E02D27/42 , E02D27/14 , E02D5/22 , E02D5/52