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公开(公告)号:KR101977880B1
公开(公告)日:2019-08-28
申请号:KR1020170174582
申请日:2017-12-18
Applicant: (재)대구기계부품연구원
Inventor: 배정섭 , 지진우
IPC: F16F13/26 , F16F13/28