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公开(公告)号:KR102167759B1
公开(公告)日:2020-10-20
申请号:KR1020190016883
申请日:2019-02-13
Applicant: 세종대학교산학협력단
Inventor: 곽관웅 , 이창환 , 박치홍 , 김동현 , 이재홍
IPC: B25J19/00 , B25J9/00 , B25J9/10