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公开(公告)号:KR101958076B1
公开(公告)日:2019-03-13
申请号:KR1020170023544
申请日:2017-02-22
Applicant: 강원대학교산학협력단
Inventor: 박홍성 , 조민근
IPC: B25J11/00 , B25J9/16