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公开(公告)号:KR101949852B1
公开(公告)日:2019-02-19
申请号:KR1020170047907
申请日:2017-04-13
Applicant: 동신대학교산학협력단
Inventor: 김철민 , 이민태 , 김대복 , 윤재홍 , 강임철
IPC: B62J3/00 , B62J6/00 , B62J99/00