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公开(公告)号:KR102123851B1
公开(公告)日:2020-06-18
申请号:KR1020180132426
申请日:2018-10-31
Applicant: (주)엔퓨텍
Inventor: 이화용 , 윤효상 , 남현우 , 김현철 , 전형준
IPC: B04C9/00 , B04C11/00 , B04C5/081