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公开(公告)号:KR102090251B1
公开(公告)日:2020-03-17
申请号:KR1020180088619
申请日:2018-07-30
Applicant: 서강대학교산학협력단 , 주식회사 리베라빗
Inventor: 김동철 , 김재호
IPC: F16B7/04 , F16B2/06