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公开(公告)号:KR102025630B1
公开(公告)日:2019-09-26
申请号:KR1020170167650
申请日:2017-12-07
Applicant: 한밭대학교 산학협력단
Inventor: 최병호 , 임철수
IPC: E01D2/00 , E01D19/02