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公开(公告)号:KR102065462B1
公开(公告)日:2020-01-13
申请号:KR1020170155720
申请日:2017-11-21
Applicant: 가톨릭관동대학교산학협력단
Inventor: 이상식 , 나용균
IPC: A43B3/02 , A43B7/04 , A43B7/14