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公开(公告)号:KR102080106B1
公开(公告)日:2020-02-21
申请号:KR1020190016512
申请日:2019-02-13
Applicant: 충남대학교산학협력단
Inventor: 노명규 , 권은상 , 박영우
IPC: H01F7/02 , B25J9/10 , B25J5/00 , B25J9/12