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公开(公告)号:KR101992275B1
公开(公告)日:2019-06-24
申请号:KR1020180015368
申请日:2018-02-08
Applicant: 충남대학교산학협력단
Inventor: 임남형 , 윤경민 , 장윤재 , 정문희
IPC: G01G19/04 , G01G23/18 , G01G3/13 , B61K13/00