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公开(公告)号:KR102061974B1
公开(公告)日:2020-01-02
申请号:KR1020180076844
申请日:2018-07-03
Applicant: 뉴모텍(주)
Inventor: 장정철 , 이지민 , 임효빈 , 박판국
IPC: F16F9/53 , F16F9/32