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公开(公告)号:KR102071308B1
公开(公告)日:2020-01-30
申请号:KR1020190039885
申请日:2019-04-05
Applicant: 경남과학기술대학교 산학협력단
Inventor: 김봉환 , 배강열 , 곽정환
IPC: B65G27/32 , B65G27/24