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公开(公告)号:KR102133435B1
公开(公告)日:2020-07-13
申请号:KR1020170118800
申请日:2017-09-15
Applicant: 전남대학교산학협력단
Inventor: 류종관 , 송한솔
IPC: E04B9/00 , E04B9/04 , E04F13/08 , E04B1/86 , E04B1/84