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公开(公告)号:KR102050412B1
公开(公告)日:2019-11-29
申请号:KR1020170086904
申请日:2017-07-10
Applicant: 경희대학교 산학협력단
Inventor: 정원석 , 이희영 , 박성훈
IPC: E01C9/00 , H02N2/18 , E01C7/14 , C04B14/02 , C04B20/00 , C04B28/02 , C04B111/90