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公开(公告)号:KR101956435B1
公开(公告)日:2019-03-08
申请号:KR1020160177104
申请日:2016-12-22
Applicant: 숭실대학교산학협력단
Inventor: 최경규 , 장동운 , 김희승
IPC: E04G23/02 , E04C5/07